31981950

素因数分解:

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

素因数の和:120

約数の個数: 288

約数和(自身を含む): 116992512

約数和(自身を除く): 85010562

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 13, 14, 15, 18, 21, 22, 25, 26, 30, 33, 35, 39, 42, 45, 50, 55, 63, 65, 66, 70, 71, 75, 77, 78, 90, 91, 99, 105, 110, 117, 126, 130, 142, 143, 150, 154, 165, 175, 182, 195, 198, 210, 213, 225, 231, 234, 273, 275, 286, 315, 325, 330, 350, 355, 385, 390, 426, 429, 450, 455, 462, 495, 497, 525, 546, 550, 585, 630, 639, 650, 693, 710, 715, 770, 781, 819, 825, 858, 910, 923, 975, 990, 994, 1001, 1050, 1065, 1155, 1170, 1278, 1287, 1365, 1386, 1430, 1491, 1562, 1575, 1638, 1650, 1775, 1846, 1925, 1950, 2002, 2130, 2145, 2275, 2310, 2343, 2475, 2485, 2574, 2730, 2769, 2925, 2982, 3003, 3150, 3195, 3465, 3550, 3575, 3850, 3905, 4095, 4290, 4473, 4550, 4615, 4686, 4950, 4970, 5005, 5325, 5467, 5538, 5775, 5850, 6006, 6390, 6435, 6461, 6825, 6930, 7029, 7150, 7455, 7810, 8190, 8307, 8946, 9009, 9230, 10010, 10153, 10650, 10725, 10934, 11550, 11715, 12425, 12870, 12922, 13650, 13845, 14058, 14910, 15015, 15975, 16401, 16614, 17325, 18018, 19383, 19525, 20306, 20475, 21450, 22365, 23075, 23430, 24850, 25025, 27335, 27690, 30030, 30459, 31950, 32175, 32305, 32802, 34650, 35145, 37275, 38766, 39050, 40950, 41535, 44730, 45045, 46150, 49203, 50050, 50765, 54670, 58149, 58575, 60918, 64350, 64610, 69225, 70290, 71071, 74550, 75075, 82005, 83070, 90090, 91377, 96915, 98406, 101530, 111825, 116298, 117150, 136675, 138450, 142142, 150150, 152295, 161525, 164010, 175725, 182754, 193830, 207675, 213213, 223650, 225225, 246015, 253825, 273350, 290745, 304590, 323050, 351450, 355355, 410025, 415350, 426426, 450450, 456885, 484575, 492030, 507650, 581490, 639639, 710710, 761475, 820050, 913770, 969150, 1066065, 1230075, 1279278, 1453725, 1522950, 1776775, 2132130, 2284425, 2460150, 2907450, 3198195, 3553550, 4568850, 5330325, 6396390, 10660650, 15990975, 31981950]

約数ペア:

[(1, 31981950), (2, 15990975), (3, 10660650), (5, 6396390), (6, 5330325), (7, 4568850), (9, 3553550), (10, 3198195), (11, 2907450), (13, 2460150), (14, 2284425), (15, 2132130), (18, 1776775), (21, 1522950), (22, 1453725), (25, 1279278), (26, 1230075), (30, 1066065), (33, 969150), (35, 913770), (39, 820050), (42, 761475), (45, 710710), (50, 639639), (55, 581490), (63, 507650), (65, 492030), (66, 484575), (70, 456885), (71, 450450), (75, 426426), (77, 415350), (78, 410025), (90, 355355), (91, 351450), (99, 323050), (105, 304590), (110, 290745), (117, 273350), (126, 253825), (130, 246015), (142, 225225), (143, 223650), (150, 213213), (154, 207675), (165, 193830), (175, 182754), (182, 175725), (195, 164010), (198, 161525), (210, 152295), (213, 150150), (225, 142142), (231, 138450), (234, 136675), (273, 117150), (275, 116298), (286, 111825), (315, 101530), (325, 98406), (330, 96915), (350, 91377), (355, 90090), (385, 83070), (390, 82005), (426, 75075), (429, 74550), (450, 71071), (455, 70290), (462, 69225), (495, 64610), (497, 64350), (525, 60918), (546, 58575), (550, 58149), (585, 54670), (630, 50765), (639, 50050), (650, 49203), (693, 46150), (710, 45045), (715, 44730), (770, 41535), (781, 40950), (819, 39050), (825, 38766), (858, 37275), (910, 35145), (923, 34650), (975, 32802), (990, 32305), (994, 32175), (1001, 31950), (1050, 30459), (1065, 30030), (1155, 27690), (1170, 27335), (1278, 25025), (1287, 24850), (1365, 23430), (1386, 23075), (1430, 22365), (1491, 21450), (1562, 20475), (1575, 20306), (1638, 19525), (1650, 19383), (1775, 18018), (1846, 17325), (1925, 16614), (1950, 16401), (2002, 15975), (2130, 15015), (2145, 14910), (2275, 14058), (2310, 13845), (2343, 13650), (2475, 12922), (2485, 12870), (2574, 12425), (2730, 11715), (2769, 11550), (2925, 10934), (2982, 10725), (3003, 10650), (3150, 10153), (3195, 10010), (3465, 9230), (3550, 9009), (3575, 8946), (3850, 8307), (3905, 8190), (4095, 7810), (4290, 7455), (4473, 7150), (4550, 7029), (4615, 6930), (4686, 6825), (4950, 6461), (4970, 6435), (5005, 6390), (5325, 6006), (5467, 5850), (5538, 5775)]