90537980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1$

素因数の和:339

約数の個数: 96

約数和(自身を含む): 216760320

約数和(自身を除く): 126222340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 47, 52, 62, 65, 94, 124, 130, 155, 188, 235, 239, 260, 310, 403, 470, 478, 611, 620, 806, 940, 956, 1195, 1222, 1457, 1612, 2015, 2390, 2444, 2914, 3055, 3107, 4030, 4780, 5828, 6110, 6214, 7285, 7409, 8060, 11233, 12220, 12428, 14570, 14818, 15535, 18941, 22466, 29140, 29636, 31070, 37045, 37882, 44932, 56165, 62140, 74090, 75764, 94705, 96317, 112330, 146029, 148180, 189410, 192634, 224660, 292058, 348223, 378820, 385268, 481585, 584116, 696446, 730145, 963170, 1392892, 1460290, 1741115, 1926340, 2920580, 3482230, 4526899, 6964460, 9053798, 18107596, 22634495, 45268990, 90537980]

約数ペア:

[(1, 90537980), (2, 45268990), (4, 22634495), (5, 18107596), (10, 9053798), (13, 6964460), (20, 4526899), (26, 3482230), (31, 2920580), (47, 1926340), (52, 1741115), (62, 1460290), (65, 1392892), (94, 963170), (124, 730145), (130, 696446), (155, 584116), (188, 481585), (235, 385268), (239, 378820), (260, 348223), (310, 292058), (403, 224660), (470, 192634), (478, 189410), (611, 148180), (620, 146029), (806, 112330), (940, 96317), (956, 94705), (1195, 75764), (1222, 74090), (1457, 62140), (1612, 56165), (2015, 44932), (2390, 37882), (2444, 37045), (2914, 31070), (3055, 29636), (3107, 29140), (4030, 22466), (4780, 18941), (5828, 15535), (6110, 14818), (6214, 14570), (7285, 12428), (7409, 12220), (8060, 11233)]