31471440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1$

素因数の和:178

約数の個数: 320

約数和(自身を含む): 131991552

約数和(自身を除く): 100520112

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15, 16, 20, 21, 22, 24, 26, 28, 30, 33, 35, 39, 40, 42, 44, 48, 52, 55, 56, 60, 65, 66, 70, 77, 78, 80, 84, 88, 91, 104, 105, 110, 112, 120, 130, 131, 132, 140, 143, 154, 156, 165, 168, 176, 182, 195, 208, 210, 220, 231, 240, 260, 262, 264, 273, 280, 286, 308, 312, 330, 336, 364, 385, 390, 393, 420, 429, 440, 455, 462, 520, 524, 528, 546, 560, 572, 616, 624, 655, 660, 715, 728, 770, 780, 786, 840, 858, 880, 910, 917, 924, 1001, 1040, 1048, 1092, 1144, 1155, 1232, 1310, 1320, 1365, 1430, 1441, 1456, 1540, 1560, 1572, 1680, 1703, 1716, 1820, 1834, 1848, 1965, 2002, 2096, 2145, 2184, 2288, 2310, 2620, 2640, 2730, 2751, 2860, 2882, 3003, 3080, 3120, 3144, 3406, 3432, 3640, 3668, 3696, 3930, 4004, 4290, 4323, 4368, 4585, 4620, 5005, 5109, 5240, 5460, 5502, 5720, 5764, 6006, 6160, 6288, 6812, 6864, 7205, 7280, 7336, 7860, 8008, 8515, 8580, 8646, 9170, 9240, 10010, 10087, 10218, 10480, 10920, 11004, 11440, 11528, 11921, 12012, 13624, 13755, 14410, 14672, 15015, 15720, 16016, 17030, 17160, 17292, 18340, 18480, 18733, 20020, 20174, 20436, 21615, 21840, 22008, 23056, 23842, 24024, 25545, 27248, 27510, 28820, 30030, 30261, 31440, 34060, 34320, 34584, 35763, 36680, 37466, 40040, 40348, 40872, 43230, 44016, 47684, 48048, 50435, 51090, 55020, 56199, 57640, 59605, 60060, 60522, 68120, 69168, 71526, 73360, 74932, 80080, 80696, 81744, 86460, 93665, 95368, 100870, 102180, 110040, 112398, 115280, 119210, 120120, 121044, 131131, 136240, 143052, 149864, 151305, 161392, 172920, 178815, 187330, 190736, 201740, 204360, 220080, 224796, 238420, 240240, 242088, 262262, 280995, 286104, 299728, 302610, 345840, 357630, 374660, 393393, 403480, 408720, 449592, 476840, 484176, 524524, 561990, 572208, 605220, 655655, 715260, 749320, 786786, 806960, 899184, 953680, 1049048, 1123980, 1210440, 1311310, 1430520, 1498640, 1573572, 1966965, 2098096, 2247960, 2420880, 2622620, 2861040, 3147144, 3933930, 4495920, 5245240, 6294288, 7867860, 10490480, 15735720, 31471440]

約数ペア:

[(1, 31471440), (2, 15735720), (3, 10490480), (4, 7867860), (5, 6294288), (6, 5245240), (7, 4495920), (8, 3933930), (10, 3147144), (11, 2861040), (12, 2622620), (13, 2420880), (14, 2247960), (15, 2098096), (16, 1966965), (20, 1573572), (21, 1498640), (22, 1430520), (24, 1311310), (26, 1210440), (28, 1123980), (30, 1049048), (33, 953680), (35, 899184), (39, 806960), (40, 786786), (42, 749320), (44, 715260), (48, 655655), (52, 605220), (55, 572208), (56, 561990), (60, 524524), (65, 484176), (66, 476840), (70, 449592), (77, 408720), (78, 403480), (80, 393393), (84, 374660), (88, 357630), (91, 345840), (104, 302610), (105, 299728), (110, 286104), (112, 280995), (120, 262262), (130, 242088), (131, 240240), (132, 238420), (140, 224796), (143, 220080), (154, 204360), (156, 201740), (165, 190736), (168, 187330), (176, 178815), (182, 172920), (195, 161392), (208, 151305), (210, 149864), (220, 143052), (231, 136240), (240, 131131), (260, 121044), (262, 120120), (264, 119210), (273, 115280), (280, 112398), (286, 110040), (308, 102180), (312, 100870), (330, 95368), (336, 93665), (364, 86460), (385, 81744), (390, 80696), (393, 80080), (420, 74932), (429, 73360), (440, 71526), (455, 69168), (462, 68120), (520, 60522), (524, 60060), (528, 59605), (546, 57640), (560, 56199), (572, 55020), (616, 51090), (624, 50435), (655, 48048), (660, 47684), (715, 44016), (728, 43230), (770, 40872), (780, 40348), (786, 40040), (840, 37466), (858, 36680), (880, 35763), (910, 34584), (917, 34320), (924, 34060), (1001, 31440), (1040, 30261), (1048, 30030), (1092, 28820), (1144, 27510), (1155, 27248), (1232, 25545), (1310, 24024), (1320, 23842), (1365, 23056), (1430, 22008), (1441, 21840), (1456, 21615), (1540, 20436), (1560, 20174), (1572, 20020), (1680, 18733), (1703, 18480), (1716, 18340), (1820, 17292), (1834, 17160), (1848, 17030), (1965, 16016), (2002, 15720), (2096, 15015), (2145, 14672), (2184, 14410), (2288, 13755), (2310, 13624), (2620, 12012), (2640, 11921), (2730, 11528), (2751, 11440), (2860, 11004), (2882, 10920), (3003, 10480), (3080, 10218), (3120, 10087), (3144, 10010), (3406, 9240), (3432, 9170), (3640, 8646), (3668, 8580), (3696, 8515), (3930, 8008), (4004, 7860), (4290, 7336), (4323, 7280), (4368, 7205), (4585, 6864), (4620, 6812), (5005, 6288), (5109, 6160), (5240, 6006), (5460, 5764), (5502, 5720)]