77499760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1733}}^1$

素因数の和:1802

約数の個数: 80

約数和(自身を含む): 198674784

約数和(自身を除く): 121175024

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 43, 52, 65, 80, 86, 104, 130, 172, 208, 215, 260, 344, 430, 520, 559, 688, 860, 1040, 1118, 1720, 1733, 2236, 2795, 3440, 3466, 4472, 5590, 6932, 8665, 8944, 11180, 13864, 17330, 22360, 22529, 27728, 34660, 44720, 45058, 69320, 74519, 90116, 112645, 138640, 149038, 180232, 225290, 298076, 360464, 372595, 450580, 596152, 745190, 901160, 968747, 1192304, 1490380, 1802320, 1937494, 2980760, 3874988, 4843735, 5961520, 7749976, 9687470, 15499952, 19374940, 38749880, 77499760]

約数ペア:

[(1, 77499760), (2, 38749880), (4, 19374940), (5, 15499952), (8, 9687470), (10, 7749976), (13, 5961520), (16, 4843735), (20, 3874988), (26, 2980760), (40, 1937494), (43, 1802320), (52, 1490380), (65, 1192304), (80, 968747), (86, 901160), (104, 745190), (130, 596152), (172, 450580), (208, 372595), (215, 360464), (260, 298076), (344, 225290), (430, 180232), (520, 149038), (559, 138640), (688, 112645), (860, 90116), (1040, 74519), (1118, 69320), (1720, 45058), (1733, 44720), (2236, 34660), (2795, 27728), (3440, 22529), (3466, 22360), (4472, 17330), (5590, 13864), (6932, 11180), (8665, 8944)]