61438960

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^3\times {\mathrm{577}}^1$

素因数の和:623

約数の個数: 80

約数和(自身を含む): 157391712

約数和(自身を除く): 95952752

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 577, 605, 880, 968, 1154, 1210, 1331, 1936, 2308, 2420, 2662, 2885, 4616, 4840, 5324, 5770, 6347, 6655, 9232, 9680, 10648, 11540, 12694, 13310, 21296, 23080, 25388, 26620, 31735, 46160, 50776, 53240, 63470, 69817, 101552, 106480, 126940, 139634, 253880, 279268, 349085, 507760, 558536, 698170, 767987, 1117072, 1396340, 1535974, 2792680, 3071948, 3839935, 5585360, 6143896, 7679870, 12287792, 15359740, 30719480, 61438960]

約数ペア:

[(1, 61438960), (2, 30719480), (4, 15359740), (5, 12287792), (8, 7679870), (10, 6143896), (11, 5585360), (16, 3839935), (20, 3071948), (22, 2792680), (40, 1535974), (44, 1396340), (55, 1117072), (80, 767987), (88, 698170), (110, 558536), (121, 507760), (176, 349085), (220, 279268), (242, 253880), (440, 139634), (484, 126940), (577, 106480), (605, 101552), (880, 69817), (968, 63470), (1154, 53240), (1210, 50776), (1331, 46160), (1936, 31735), (2308, 26620), (2420, 25388), (2662, 23080), (2885, 21296), (4616, 13310), (4840, 12694), (5324, 11540), (5770, 10648), (6347, 9680), (6655, 9232)]