31067960

素因数分解:

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

素因数の和:178

約数の個数: 144

約数和(自身を含む): 90062280

約数和(自身を除く): 58994320

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 110, 121, 131, 140, 154, 196, 220, 242, 245, 262, 280, 308, 385, 392, 440, 484, 490, 524, 539, 605, 616, 655, 770, 847, 917, 968, 980, 1048, 1078, 1210, 1310, 1441, 1540, 1694, 1834, 1960, 2156, 2420, 2620, 2695, 2882, 3080, 3388, 3668, 4235, 4312, 4585, 4840, 5240, 5390, 5764, 5929, 6419, 6776, 7205, 7336, 8470, 9170, 10087, 10780, 11528, 11858, 12838, 14410, 15851, 16940, 18340, 20174, 21560, 23716, 25676, 28820, 29645, 31702, 32095, 33880, 36680, 40348, 47432, 50435, 51352, 57640, 59290, 63404, 64190, 70609, 79255, 80696, 100870, 110957, 118580, 126808, 128380, 141218, 158510, 201740, 221914, 237160, 256760, 282436, 317020, 353045, 403480, 443828, 554785, 564872, 634040, 706090, 776699, 887656, 1109570, 1412180, 1553398, 2219140, 2824360, 3106796, 3883495, 4438280, 6213592, 7766990, 15533980, 31067960]

約数ペア:

[(1, 31067960), (2, 15533980), (4, 7766990), (5, 6213592), (7, 4438280), (8, 3883495), (10, 3106796), (11, 2824360), (14, 2219140), (20, 1553398), (22, 1412180), (28, 1109570), (35, 887656), (40, 776699), (44, 706090), (49, 634040), (55, 564872), (56, 554785), (70, 443828), (77, 403480), (88, 353045), (98, 317020), (110, 282436), (121, 256760), (131, 237160), (140, 221914), (154, 201740), (196, 158510), (220, 141218), (242, 128380), (245, 126808), (262, 118580), (280, 110957), (308, 100870), (385, 80696), (392, 79255), (440, 70609), (484, 64190), (490, 63404), (524, 59290), (539, 57640), (605, 51352), (616, 50435), (655, 47432), (770, 40348), (847, 36680), (917, 33880), (968, 32095), (980, 31702), (1048, 29645), (1078, 28820), (1210, 25676), (1310, 23716), (1441, 21560), (1540, 20174), (1694, 18340), (1834, 16940), (1960, 15851), (2156, 14410), (2420, 12838), (2620, 11858), (2695, 11528), (2882, 10780), (3080, 10087), (3388, 9170), (3668, 8470), (4235, 7336), (4312, 7205), (4585, 6776), (4840, 6419), (5240, 5929), (5390, 5764)]