311290980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:187

約数の個数: 384

約数和(自身を含む): 1203019776

約数和(自身を除く): 891728796

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 13, 14, 15, 20, 21, 22, 26, 28, 30, 33, 35, 39, 42, 44, 52, 55, 60, 65, 66, 70, 71, 73, 77, 78, 84, 91, 105, 110, 130, 132, 140, 142, 143, 146, 154, 156, 165, 182, 195, 210, 213, 219, 220, 231, 260, 273, 284, 286, 292, 308, 330, 355, 364, 365, 385, 390, 420, 426, 429, 438, 455, 462, 497, 511, 546, 572, 660, 710, 715, 730, 770, 780, 781, 803, 852, 858, 876, 910, 923, 924, 949, 994, 1001, 1022, 1065, 1092, 1095, 1155, 1365, 1420, 1430, 1460, 1491, 1533, 1540, 1562, 1606, 1716, 1820, 1846, 1898, 1988, 2002, 2044, 2130, 2145, 2190, 2310, 2343, 2409, 2485, 2555, 2730, 2769, 2847, 2860, 2982, 3003, 3066, 3124, 3212, 3692, 3796, 3905, 4004, 4015, 4260, 4290, 4380, 4615, 4620, 4686, 4745, 4818, 4970, 5005, 5110, 5183, 5460, 5467, 5538, 5621, 5694, 5964, 6006, 6132, 6461, 6643, 7455, 7665, 7810, 8030, 8580, 9230, 9372, 9490, 9636, 9940, 10010, 10153, 10220, 10366, 10439, 10934, 11076, 11242, 11388, 11715, 12012, 12045, 12922, 13286, 13845, 14235, 14910, 15015, 15330, 15549, 15620, 16060, 16401, 16863, 18460, 18980, 19383, 19929, 20020, 20306, 20732, 20878, 21868, 22484, 23430, 24090, 25844, 25915, 26572, 27335, 27690, 28105, 28470, 29820, 30030, 30459, 30660, 31098, 31317, 32305, 32802, 33215, 33726, 36281, 38766, 39858, 40612, 41756, 46860, 48180, 50765, 51830, 52195, 54670, 55380, 56210, 56940, 57013, 60060, 60918, 62196, 62634, 64610, 65604, 66430, 67379, 67452, 71071, 72562, 73073, 77532, 77745, 79716, 82005, 84315, 96915, 99645, 101530, 103660, 104390, 108843, 109340, 112420, 114026, 121836, 125268, 129220, 132860, 134758, 142142, 145124, 146146, 152295, 155490, 156585, 164010, 168630, 171039, 181405, 193830, 199290, 202137, 203060, 208780, 213213, 217686, 219219, 228052, 269516, 284284, 285065, 292292, 304590, 310980, 313170, 328020, 336895, 337260, 342078, 355355, 362810, 365365, 387660, 398580, 399091, 404274, 426426, 435372, 438438, 471653, 544215, 570130, 609180, 626340, 673790, 684156, 710710, 725620, 730730, 741169, 798182, 808548, 852852, 855195, 876876, 943306, 1010685, 1066065, 1088430, 1096095, 1140260, 1197273, 1347580, 1414959, 1421420, 1461460, 1482338, 1596364, 1710390, 1886612, 1995455, 2021370, 2132130, 2176860, 2192190, 2223507, 2358265, 2394546, 2829918, 2964676, 3420780, 3705845, 3990910, 4042740, 4264260, 4384380, 4447014, 4716530, 4789092, 5188183, 5659836, 5986365, 7074795, 7411690, 7981820, 8894028, 9433060, 10376366, 11117535, 11972730, 14149590, 14823380, 15564549, 20752732, 22235070, 23945460, 25940915, 28299180, 31129098, 44470140, 51881830, 62258196, 77822745, 103763660, 155645490, 311290980]

約数ペア:

[(1, 311290980), (2, 155645490), (3, 103763660), (4, 77822745), (5, 62258196), (6, 51881830), (7, 44470140), (10, 31129098), (11, 28299180), (12, 25940915), (13, 23945460), (14, 22235070), (15, 20752732), (20, 15564549), (21, 14823380), (22, 14149590), (26, 11972730), (28, 11117535), (30, 10376366), (33, 9433060), (35, 8894028), (39, 7981820), (42, 7411690), (44, 7074795), (52, 5986365), (55, 5659836), (60, 5188183), (65, 4789092), (66, 4716530), (70, 4447014), (71, 4384380), (73, 4264260), (77, 4042740), (78, 3990910), (84, 3705845), (91, 3420780), (105, 2964676), (110, 2829918), (130, 2394546), (132, 2358265), (140, 2223507), (142, 2192190), (143, 2176860), (146, 2132130), (154, 2021370), (156, 1995455), (165, 1886612), (182, 1710390), (195, 1596364), (210, 1482338), (213, 1461460), (219, 1421420), (220, 1414959), (231, 1347580), (260, 1197273), (273, 1140260), (284, 1096095), (286, 1088430), (292, 1066065), (308, 1010685), (330, 943306), (355, 876876), (364, 855195), (365, 852852), (385, 808548), (390, 798182), (420, 741169), (426, 730730), (429, 725620), (438, 710710), (455, 684156), (462, 673790), (497, 626340), (511, 609180), (546, 570130), (572, 544215), (660, 471653), (710, 438438), (715, 435372), (730, 426426), (770, 404274), (780, 399091), (781, 398580), (803, 387660), (852, 365365), (858, 362810), (876, 355355), (910, 342078), (923, 337260), (924, 336895), (949, 328020), (994, 313170), (1001, 310980), (1022, 304590), (1065, 292292), (1092, 285065), (1095, 284284), (1155, 269516), (1365, 228052), (1420, 219219), (1430, 217686), (1460, 213213), (1491, 208780), (1533, 203060), (1540, 202137), (1562, 199290), (1606, 193830), (1716, 181405), (1820, 171039), (1846, 168630), (1898, 164010), (1988, 156585), (2002, 155490), (2044, 152295), (2130, 146146), (2145, 145124), (2190, 142142), (2310, 134758), (2343, 132860), (2409, 129220), (2485, 125268), (2555, 121836), (2730, 114026), (2769, 112420), (2847, 109340), (2860, 108843), (2982, 104390), (3003, 103660), (3066, 101530), (3124, 99645), (3212, 96915), (3692, 84315), (3796, 82005), (3905, 79716), (4004, 77745), (4015, 77532), (4260, 73073), (4290, 72562), (4380, 71071), (4615, 67452), (4620, 67379), (4686, 66430), (4745, 65604), (4818, 64610), (4970, 62634), (5005, 62196), (5110, 60918), (5183, 60060), (5460, 57013), (5467, 56940), (5538, 56210), (5621, 55380), (5694, 54670), (5964, 52195), (6006, 51830), (6132, 50765), (6461, 48180), (6643, 46860), (7455, 41756), (7665, 40612), (7810, 39858), (8030, 38766), (8580, 36281), (9230, 33726), (9372, 33215), (9490, 32802), (9636, 32305), (9940, 31317), (10010, 31098), (10153, 30660), (10220, 30459), (10366, 30030), (10439, 29820), (10934, 28470), (11076, 28105), (11242, 27690), (11388, 27335), (11715, 26572), (12012, 25915), (12045, 25844), (12922, 24090), (13286, 23430), (13845, 22484), (14235, 21868), (14910, 20878), (15015, 20732), (15330, 20306), (15549, 20020), (15620, 19929), (16060, 19383), (16401, 18980), (16863, 18460)]