80915280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5527}}^1$

素因数の和:5604

約数の個数: 80

約数和(自身を含む): 254995584

約数和(自身を除く): 174080304

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 61, 80, 120, 122, 183, 240, 244, 305, 366, 488, 610, 732, 915, 976, 1220, 1464, 1830, 2440, 2928, 3660, 4880, 5527, 7320, 11054, 14640, 16581, 22108, 27635, 33162, 44216, 55270, 66324, 82905, 88432, 110540, 132648, 165810, 221080, 265296, 331620, 337147, 442160, 663240, 674294, 1011441, 1326480, 1348588, 1685735, 2022882, 2697176, 3371470, 4045764, 5057205, 5394352, 6742940, 8091528, 10114410, 13485880, 16183056, 20228820, 26971760, 40457640, 80915280]

約数ペア:

[(1, 80915280), (2, 40457640), (3, 26971760), (4, 20228820), (5, 16183056), (6, 13485880), (8, 10114410), (10, 8091528), (12, 6742940), (15, 5394352), (16, 5057205), (20, 4045764), (24, 3371470), (30, 2697176), (40, 2022882), (48, 1685735), (60, 1348588), (61, 1326480), (80, 1011441), (120, 674294), (122, 663240), (183, 442160), (240, 337147), (244, 331620), (305, 265296), (366, 221080), (488, 165810), (610, 132648), (732, 110540), (915, 88432), (976, 82905), (1220, 66324), (1464, 55270), (1830, 44216), (2440, 33162), (2928, 27635), (3660, 22108), (4880, 16581), (5527, 14640), (7320, 11054)]