74451690

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{631}}^1$

素因数の和:689

約数の個数: 128

約数和(自身を含む): 218419200

約数和(自身を除く): 143967510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 23, 27, 30, 38, 45, 46, 54, 57, 69, 90, 95, 114, 115, 135, 138, 171, 190, 207, 230, 270, 285, 342, 345, 414, 437, 513, 570, 621, 631, 690, 855, 874, 1026, 1035, 1242, 1262, 1311, 1710, 1893, 2070, 2185, 2565, 2622, 3105, 3155, 3786, 3933, 4370, 5130, 5679, 6210, 6310, 6555, 7866, 9465, 11358, 11799, 11989, 13110, 14513, 17037, 18930, 19665, 23598, 23978, 28395, 29026, 34074, 35967, 39330, 43539, 56790, 58995, 59945, 71934, 72565, 85185, 87078, 107901, 117990, 119890, 130617, 145130, 170370, 179835, 215802, 217695, 261234, 275747, 323703, 359670, 391851, 435390, 539505, 551494, 647406, 653085, 783702, 827241, 1079010, 1306170, 1378735, 1618515, 1654482, 1959255, 2481723, 2757470, 3237030, 3918510, 4136205, 4963446, 7445169, 8272410, 12408615, 14890338, 24817230, 37225845, 74451690]

約数ペア:

[(1, 74451690), (2, 37225845), (3, 24817230), (5, 14890338), (6, 12408615), (9, 8272410), (10, 7445169), (15, 4963446), (18, 4136205), (19, 3918510), (23, 3237030), (27, 2757470), (30, 2481723), (38, 1959255), (45, 1654482), (46, 1618515), (54, 1378735), (57, 1306170), (69, 1079010), (90, 827241), (95, 783702), (114, 653085), (115, 647406), (135, 551494), (138, 539505), (171, 435390), (190, 391851), (207, 359670), (230, 323703), (270, 275747), (285, 261234), (342, 217695), (345, 215802), (414, 179835), (437, 170370), (513, 145130), (570, 130617), (621, 119890), (631, 117990), (690, 107901), (855, 87078), (874, 85185), (1026, 72565), (1035, 71934), (1242, 59945), (1262, 58995), (1311, 56790), (1710, 43539), (1893, 39330), (2070, 35967), (2185, 34074), (2565, 29026), (2622, 28395), (3105, 23978), (3155, 23598), (3786, 19665), (3933, 18930), (4370, 17037), (5130, 14513), (5679, 13110), (6210, 11989), (6310, 11799), (6555, 11358), (7866, 9465)]