320804640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17137}}^1$

素因数の和:17171

約数の個数: 144

約数和(自身を含む): 1179025848

約数和(自身を除く): 858221208

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 195, 208, 234, 240, 260, 288, 312, 360, 390, 416, 468, 480, 520, 585, 624, 720, 780, 936, 1040, 1170, 1248, 1440, 1560, 1872, 2080, 2340, 3120, 3744, 4680, 6240, 9360, 17137, 18720, 34274, 51411, 68548, 85685, 102822, 137096, 154233, 171370, 205644, 222781, 257055, 274192, 308466, 342740, 411288, 445562, 514110, 548384, 616932, 668343, 685480, 771165, 822576, 891124, 1028220, 1113905, 1233864, 1336686, 1370960, 1542330, 1645152, 1782248, 2005029, 2056440, 2227810, 2467728, 2673372, 2741920, 3084660, 3341715, 3564496, 4010058, 4112880, 4455620, 4935456, 5346744, 6169320, 6683430, 7128992, 8020116, 8225760, 8911240, 10025145, 10693488, 12338640, 13366860, 16040232, 17822480, 20050290, 21386976, 24677280, 26733720, 32080464, 35644960, 40100580, 53467440, 64160928, 80201160, 106934880, 160402320, 320804640]

約数ペア:

[(1, 320804640), (2, 160402320), (3, 106934880), (4, 80201160), (5, 64160928), (6, 53467440), (8, 40100580), (9, 35644960), (10, 32080464), (12, 26733720), (13, 24677280), (15, 21386976), (16, 20050290), (18, 17822480), (20, 16040232), (24, 13366860), (26, 12338640), (30, 10693488), (32, 10025145), (36, 8911240), (39, 8225760), (40, 8020116), (45, 7128992), (48, 6683430), (52, 6169320), (60, 5346744), (65, 4935456), (72, 4455620), (78, 4112880), (80, 4010058), (90, 3564496), (96, 3341715), (104, 3084660), (117, 2741920), (120, 2673372), (130, 2467728), (144, 2227810), (156, 2056440), (160, 2005029), (180, 1782248), (195, 1645152), (208, 1542330), (234, 1370960), (240, 1336686), (260, 1233864), (288, 1113905), (312, 1028220), (360, 891124), (390, 822576), (416, 771165), (468, 685480), (480, 668343), (520, 616932), (585, 548384), (624, 514110), (720, 445562), (780, 411288), (936, 342740), (1040, 308466), (1170, 274192), (1248, 257055), (1440, 222781), (1560, 205644), (1872, 171370), (2080, 154233), (2340, 137096), (3120, 102822), (3744, 85685), (4680, 68548), (6240, 51411), (9360, 34274), (17137, 18720)]