71277680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{701}}^1$

素因数の和:786

約数の個数: 80

約数和(自身を含む): 175488768

約数和(自身を除く): 104211088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 41, 62, 80, 82, 124, 155, 164, 205, 248, 310, 328, 410, 496, 620, 656, 701, 820, 1240, 1271, 1402, 1640, 2480, 2542, 2804, 3280, 3505, 5084, 5608, 6355, 7010, 10168, 11216, 12710, 14020, 20336, 21731, 25420, 28040, 28741, 43462, 50840, 56080, 57482, 86924, 101680, 108655, 114964, 143705, 173848, 217310, 229928, 287410, 347696, 434620, 459856, 574820, 869240, 890971, 1149640, 1738480, 1781942, 2299280, 3563884, 4454855, 7127768, 8909710, 14255536, 17819420, 35638840, 71277680]

約数ペア:

[(1, 71277680), (2, 35638840), (4, 17819420), (5, 14255536), (8, 8909710), (10, 7127768), (16, 4454855), (20, 3563884), (31, 2299280), (40, 1781942), (41, 1738480), (62, 1149640), (80, 890971), (82, 869240), (124, 574820), (155, 459856), (164, 434620), (205, 347696), (248, 287410), (310, 229928), (328, 217310), (410, 173848), (496, 143705), (620, 114964), (656, 108655), (701, 101680), (820, 86924), (1240, 57482), (1271, 56080), (1402, 50840), (1640, 43462), (2480, 28741), (2542, 28040), (2804, 25420), (3280, 21731), (3505, 20336), (5084, 14020), (5608, 12710), (6355, 11216), (7010, 10168)]