90783680

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:326

約数の個数: 112

約数和(自身を含む): 235976160

約数和(自身を除く): 145192480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 139, 157, 160, 208, 260, 278, 314, 320, 416, 520, 556, 628, 695, 785, 832, 1040, 1112, 1256, 1390, 1570, 1807, 2041, 2080, 2224, 2512, 2780, 3140, 3614, 4082, 4160, 4448, 5024, 5560, 6280, 7228, 8164, 8896, 9035, 10048, 10205, 11120, 12560, 14456, 16328, 18070, 20410, 21823, 22240, 25120, 28912, 32656, 36140, 40820, 43646, 44480, 50240, 57824, 65312, 72280, 81640, 87292, 109115, 115648, 130624, 144560, 163280, 174584, 218230, 283699, 289120, 326560, 349168, 436460, 567398, 578240, 653120, 698336, 872920, 1134796, 1396672, 1418495, 1745840, 2269592, 2836990, 3491680, 4539184, 5673980, 6983360, 9078368, 11347960, 18156736, 22695920, 45391840, 90783680]

約数ペア:

[(1, 90783680), (2, 45391840), (4, 22695920), (5, 18156736), (8, 11347960), (10, 9078368), (13, 6983360), (16, 5673980), (20, 4539184), (26, 3491680), (32, 2836990), (40, 2269592), (52, 1745840), (64, 1418495), (65, 1396672), (80, 1134796), (104, 872920), (130, 698336), (139, 653120), (157, 578240), (160, 567398), (208, 436460), (260, 349168), (278, 326560), (314, 289120), (320, 283699), (416, 218230), (520, 174584), (556, 163280), (628, 144560), (695, 130624), (785, 115648), (832, 109115), (1040, 87292), (1112, 81640), (1256, 72280), (1390, 65312), (1570, 57824), (1807, 50240), (2041, 44480), (2080, 43646), (2224, 40820), (2512, 36140), (2780, 32656), (3140, 28912), (3614, 25120), (4082, 22240), (4160, 21823), (4448, 20410), (5024, 18070), (5560, 16328), (6280, 14456), (7228, 12560), (8164, 11120), (8896, 10205), (9035, 10048)]