72663760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{641}}^1$

素因数の和:776

約数の個数: 80

約数和(自身を含む): 183894480

約数和(自身を除く): 111230720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 109, 130, 208, 218, 260, 436, 520, 545, 641, 872, 1040, 1090, 1282, 1417, 1744, 2180, 2564, 2834, 3205, 4360, 5128, 5668, 6410, 7085, 8333, 8720, 10256, 11336, 12820, 14170, 16666, 22672, 25640, 28340, 33332, 41665, 51280, 56680, 66664, 69869, 83330, 113360, 133328, 139738, 166660, 279476, 333320, 349345, 558952, 666640, 698690, 908297, 1117904, 1397380, 1816594, 2794760, 3633188, 4541485, 5589520, 7266376, 9082970, 14532752, 18165940, 36331880, 72663760]

約数ペア:

[(1, 72663760), (2, 36331880), (4, 18165940), (5, 14532752), (8, 9082970), (10, 7266376), (13, 5589520), (16, 4541485), (20, 3633188), (26, 2794760), (40, 1816594), (52, 1397380), (65, 1117904), (80, 908297), (104, 698690), (109, 666640), (130, 558952), (208, 349345), (218, 333320), (260, 279476), (436, 166660), (520, 139738), (545, 133328), (641, 113360), (872, 83330), (1040, 69869), (1090, 66664), (1282, 56680), (1417, 51280), (1744, 41665), (2180, 33332), (2564, 28340), (2834, 25640), (3205, 22672), (4360, 16666), (5128, 14170), (5668, 12820), (6410, 11336), (7085, 10256), (8333, 8720)]