65213680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1153}}^1$

素因数の和:1274

約数の個数: 80

約数和(自身を含む): 175149504

約数和(自身を除く): 109935824

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 101, 112, 140, 202, 280, 404, 505, 560, 707, 808, 1010, 1153, 1414, 1616, 2020, 2306, 2828, 3535, 4040, 4612, 5656, 5765, 7070, 8071, 8080, 9224, 11312, 11530, 14140, 16142, 18448, 23060, 28280, 32284, 40355, 46120, 56560, 64568, 80710, 92240, 116453, 129136, 161420, 232906, 322840, 465812, 582265, 645680, 815171, 931624, 1164530, 1630342, 1863248, 2329060, 3260684, 4075855, 4658120, 6521368, 8151710, 9316240, 13042736, 16303420, 32606840, 65213680]

約数ペア:

[(1, 65213680), (2, 32606840), (4, 16303420), (5, 13042736), (7, 9316240), (8, 8151710), (10, 6521368), (14, 4658120), (16, 4075855), (20, 3260684), (28, 2329060), (35, 1863248), (40, 1630342), (56, 1164530), (70, 931624), (80, 815171), (101, 645680), (112, 582265), (140, 465812), (202, 322840), (280, 232906), (404, 161420), (505, 129136), (560, 116453), (707, 92240), (808, 80710), (1010, 64568), (1153, 56560), (1414, 46120), (1616, 40355), (2020, 32284), (2306, 28280), (2828, 23060), (3535, 18448), (4040, 16142), (4612, 14140), (5656, 11530), (5765, 11312), (7070, 9224), (8071, 8080)]