83555680

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{139}}^1$

素因数の和:201

約数の個数: 144

約数和(自身を含む): 227450160

約数和(自身を除く): 143894480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 139, 160, 170, 208, 221, 260, 272, 278, 289, 340, 416, 442, 520, 544, 556, 578, 680, 695, 884, 1040, 1105, 1112, 1156, 1360, 1390, 1445, 1768, 1807, 2080, 2210, 2224, 2312, 2363, 2720, 2780, 2890, 3536, 3614, 3757, 4420, 4448, 4624, 4726, 5560, 5780, 7072, 7228, 7514, 8840, 9035, 9248, 9452, 11120, 11560, 11815, 14456, 15028, 17680, 18070, 18785, 18904, 22240, 23120, 23630, 28912, 30056, 30719, 35360, 36140, 37570, 37808, 40171, 46240, 47260, 57824, 60112, 61438, 72280, 75140, 75616, 80342, 94520, 120224, 122876, 144560, 150280, 153595, 160684, 189040, 200855, 245752, 289120, 300560, 307190, 321368, 378080, 401710, 491504, 522223, 601120, 614380, 642736, 803420, 983008, 1044446, 1228760, 1285472, 1606840, 2088892, 2457520, 2611115, 3213680, 4177784, 4915040, 5222230, 6427360, 8355568, 10444460, 16711136, 20888920, 41777840, 83555680]

約数ペア:

[(1, 83555680), (2, 41777840), (4, 20888920), (5, 16711136), (8, 10444460), (10, 8355568), (13, 6427360), (16, 5222230), (17, 4915040), (20, 4177784), (26, 3213680), (32, 2611115), (34, 2457520), (40, 2088892), (52, 1606840), (65, 1285472), (68, 1228760), (80, 1044446), (85, 983008), (104, 803420), (130, 642736), (136, 614380), (139, 601120), (160, 522223), (170, 491504), (208, 401710), (221, 378080), (260, 321368), (272, 307190), (278, 300560), (289, 289120), (340, 245752), (416, 200855), (442, 189040), (520, 160684), (544, 153595), (556, 150280), (578, 144560), (680, 122876), (695, 120224), (884, 94520), (1040, 80342), (1105, 75616), (1112, 75140), (1156, 72280), (1360, 61438), (1390, 60112), (1445, 57824), (1768, 47260), (1807, 46240), (2080, 40171), (2210, 37808), (2224, 37570), (2312, 36140), (2363, 35360), (2720, 30719), (2780, 30056), (2890, 28912), (3536, 23630), (3614, 23120), (3757, 22240), (4420, 18904), (4448, 18785), (4624, 18070), (4726, 17680), (5560, 15028), (5780, 14456), (7072, 11815), (7228, 11560), (7514, 11120), (8840, 9452), (9035, 9248)]