646919520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2411}}^1$

素因数の和:2485

約数の個数: 192

約数和(自身を含む): 2246517504

約数和(自身を除く): 1599597984

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 43, 48, 52, 60, 65, 78, 80, 86, 96, 104, 120, 129, 130, 156, 160, 172, 195, 208, 215, 240, 258, 260, 312, 344, 390, 416, 430, 480, 516, 520, 559, 624, 645, 688, 780, 860, 1032, 1040, 1118, 1248, 1290, 1376, 1560, 1677, 1720, 2064, 2080, 2236, 2411, 2580, 2795, 3120, 3354, 3440, 4128, 4472, 4822, 5160, 5590, 6240, 6708, 6880, 7233, 8385, 8944, 9644, 10320, 11180, 12055, 13416, 14466, 16770, 17888, 19288, 20640, 22360, 24110, 26832, 28932, 31343, 33540, 36165, 38576, 44720, 48220, 53664, 57864, 62686, 67080, 72330, 77152, 89440, 94029, 96440, 103673, 115728, 125372, 134160, 144660, 156715, 188058, 192880, 207346, 231456, 250744, 268320, 289320, 311019, 313430, 376116, 385760, 414692, 470145, 501488, 518365, 578640, 622038, 626860, 752232, 829384, 940290, 1002976, 1036730, 1157280, 1244076, 1253720, 1347749, 1504464, 1555095, 1658768, 1880580, 2073460, 2488152, 2507440, 2695498, 3008928, 3110190, 3317536, 3761160, 4043247, 4146920, 4976304, 5014880, 5390996, 6220380, 6738745, 7522320, 8086494, 8293840, 9952608, 10781992, 12440760, 13477490, 15044640, 16172988, 16587680, 20216235, 21563984, 24881520, 26954980, 32345976, 40432470, 43127968, 49763040, 53909960, 64691952, 80864940, 107819920, 129383904, 161729880, 215639840, 323459760, 646919520]

約数ペア:

[(1, 646919520), (2, 323459760), (3, 215639840), (4, 161729880), (5, 129383904), (6, 107819920), (8, 80864940), (10, 64691952), (12, 53909960), (13, 49763040), (15, 43127968), (16, 40432470), (20, 32345976), (24, 26954980), (26, 24881520), (30, 21563984), (32, 20216235), (39, 16587680), (40, 16172988), (43, 15044640), (48, 13477490), (52, 12440760), (60, 10781992), (65, 9952608), (78, 8293840), (80, 8086494), (86, 7522320), (96, 6738745), (104, 6220380), (120, 5390996), (129, 5014880), (130, 4976304), (156, 4146920), (160, 4043247), (172, 3761160), (195, 3317536), (208, 3110190), (215, 3008928), (240, 2695498), (258, 2507440), (260, 2488152), (312, 2073460), (344, 1880580), (390, 1658768), (416, 1555095), (430, 1504464), (480, 1347749), (516, 1253720), (520, 1244076), (559, 1157280), (624, 1036730), (645, 1002976), (688, 940290), (780, 829384), (860, 752232), (1032, 626860), (1040, 622038), (1118, 578640), (1248, 518365), (1290, 501488), (1376, 470145), (1560, 414692), (1677, 385760), (1720, 376116), (2064, 313430), (2080, 311019), (2236, 289320), (2411, 268320), (2580, 250744), (2795, 231456), (3120, 207346), (3354, 192880), (3440, 188058), (4128, 156715), (4472, 144660), (4822, 134160), (5160, 125372), (5590, 115728), (6240, 103673), (6708, 96440), (6880, 94029), (7233, 89440), (8385, 77152), (8944, 72330), (9644, 67080), (10320, 62686), (11180, 57864), (12055, 53664), (13416, 48220), (14466, 44720), (16770, 38576), (17888, 36165), (19288, 33540), (20640, 31343), (22360, 28932), (24110, 26832)]