30719480

素因数分解:

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

素因数の和:621

約数の個数: 64

約数和(自身を含む): 76157280

約数和(自身を除く): 45437800

約数列:

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

約数ペア:

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