91216840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{431}}^1$

素因数の和:503

約数の個数: 128

約数和(自身を含む): 248209920

約数和(自身を除く): 156993080

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 37, 40, 44, 52, 55, 65, 74, 88, 104, 110, 130, 143, 148, 185, 220, 260, 286, 296, 370, 407, 431, 440, 481, 520, 572, 715, 740, 814, 862, 962, 1144, 1430, 1480, 1628, 1724, 1924, 2035, 2155, 2405, 2860, 3256, 3448, 3848, 4070, 4310, 4741, 4810, 5291, 5603, 5720, 8140, 8620, 9482, 9620, 10582, 11206, 15947, 16280, 17240, 18964, 19240, 21164, 22412, 23705, 26455, 28015, 31894, 37928, 42328, 44824, 47410, 52910, 56030, 61633, 63788, 79735, 94820, 105820, 112060, 123266, 127576, 159470, 175417, 189640, 207311, 211640, 224120, 246532, 308165, 318940, 350834, 414622, 493064, 616330, 637880, 701668, 829244, 877085, 1036555, 1232660, 1403336, 1658488, 1754170, 2073110, 2280421, 2465320, 3508340, 4146220, 4560842, 7016680, 8292440, 9121684, 11402105, 18243368, 22804210, 45608420, 91216840]

約数ペア:

[(1, 91216840), (2, 45608420), (4, 22804210), (5, 18243368), (8, 11402105), (10, 9121684), (11, 8292440), (13, 7016680), (20, 4560842), (22, 4146220), (26, 3508340), (37, 2465320), (40, 2280421), (44, 2073110), (52, 1754170), (55, 1658488), (65, 1403336), (74, 1232660), (88, 1036555), (104, 877085), (110, 829244), (130, 701668), (143, 637880), (148, 616330), (185, 493064), (220, 414622), (260, 350834), (286, 318940), (296, 308165), (370, 246532), (407, 224120), (431, 211640), (440, 207311), (481, 189640), (520, 175417), (572, 159470), (715, 127576), (740, 123266), (814, 112060), (862, 105820), (962, 94820), (1144, 79735), (1430, 63788), (1480, 61633), (1628, 56030), (1724, 52910), (1924, 47410), (2035, 44824), (2155, 42328), (2405, 37928), (2860, 31894), (3256, 28015), (3448, 26455), (3848, 23705), (4070, 22412), (4310, 21164), (4741, 19240), (4810, 18964), (5291, 17240), (5603, 16280), (5720, 15947), (8140, 11206), (8620, 10582), (9482, 9620)]