1288893720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{151}}^1\times {\mathrm{857}}^1$

素因数の和:1105

約数の個数: 128

約数和(自身を含む): 3943779840

約数和(自身を除く): 2654886120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 83, 120, 151, 166, 249, 302, 332, 415, 453, 498, 604, 664, 755, 830, 857, 906, 996, 1208, 1245, 1510, 1660, 1714, 1812, 1992, 2265, 2490, 2571, 3020, 3320, 3428, 3624, 4285, 4530, 4980, 5142, 6040, 6856, 8570, 9060, 9960, 10284, 12533, 12855, 17140, 18120, 20568, 25066, 25710, 34280, 37599, 50132, 51420, 62665, 71131, 75198, 100264, 102840, 125330, 129407, 142262, 150396, 187995, 213393, 250660, 258814, 284524, 300792, 355655, 375990, 388221, 426786, 501320, 517628, 569048, 647035, 711310, 751980, 776442, 853572, 1035256, 1066965, 1294070, 1422620, 1503960, 1552884, 1707144, 1941105, 2133930, 2588140, 2845240, 3105768, 3882210, 4267860, 5176280, 7764420, 8535720, 10740781, 15528840, 21481562, 32222343, 42963124, 53703905, 64444686, 85926248, 107407810, 128889372, 161111715, 214815620, 257778744, 322223430, 429631240, 644446860, 1288893720]

約数ペア:

[(1, 1288893720), (2, 644446860), (3, 429631240), (4, 322223430), (5, 257778744), (6, 214815620), (8, 161111715), (10, 128889372), (12, 107407810), (15, 85926248), (20, 64444686), (24, 53703905), (30, 42963124), (40, 32222343), (60, 21481562), (83, 15528840), (120, 10740781), (151, 8535720), (166, 7764420), (249, 5176280), (302, 4267860), (332, 3882210), (415, 3105768), (453, 2845240), (498, 2588140), (604, 2133930), (664, 1941105), (755, 1707144), (830, 1552884), (857, 1503960), (906, 1422620), (996, 1294070), (1208, 1066965), (1245, 1035256), (1510, 853572), (1660, 776442), (1714, 751980), (1812, 711310), (1992, 647035), (2265, 569048), (2490, 517628), (2571, 501320), (3020, 426786), (3320, 388221), (3428, 375990), (3624, 355655), (4285, 300792), (4530, 284524), (4980, 258814), (5142, 250660), (6040, 213393), (6856, 187995), (8570, 150396), (9060, 142262), (9960, 129407), (10284, 125330), (12533, 102840), (12855, 100264), (17140, 75198), (18120, 71131), (20568, 62665), (25066, 51420), (25710, 50132), (34280, 37599)]