678741240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{661}}^1$

素因数の和:917

約数の個数: 128

約数和(自身を含む): 2097216000

約数和(自身を除く): 1418474760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 199, 215, 258, 344, 398, 430, 516, 597, 645, 661, 796, 860, 995, 1032, 1194, 1290, 1322, 1592, 1720, 1983, 1990, 2388, 2580, 2644, 2985, 3305, 3966, 3980, 4776, 5160, 5288, 5970, 6610, 7932, 7960, 8557, 9915, 11940, 13220, 15864, 17114, 19830, 23880, 25671, 26440, 28423, 34228, 39660, 42785, 51342, 56846, 68456, 79320, 85269, 85570, 102684, 113692, 128355, 131539, 142115, 170538, 171140, 205368, 227384, 256710, 263078, 284230, 341076, 342280, 394617, 426345, 513420, 526156, 568460, 657695, 682152, 789234, 852690, 1026840, 1052312, 1136920, 1315390, 1578468, 1705380, 1973085, 2630780, 3156936, 3410760, 3946170, 5261560, 5656177, 7892340, 11312354, 15784680, 16968531, 22624708, 28280885, 33937062, 45249416, 56561770, 67874124, 84842655, 113123540, 135748248, 169685310, 226247080, 339370620, 678741240]

約数ペア:

[(1, 678741240), (2, 339370620), (3, 226247080), (4, 169685310), (5, 135748248), (6, 113123540), (8, 84842655), (10, 67874124), (12, 56561770), (15, 45249416), (20, 33937062), (24, 28280885), (30, 22624708), (40, 16968531), (43, 15784680), (60, 11312354), (86, 7892340), (120, 5656177), (129, 5261560), (172, 3946170), (199, 3410760), (215, 3156936), (258, 2630780), (344, 1973085), (398, 1705380), (430, 1578468), (516, 1315390), (597, 1136920), (645, 1052312), (661, 1026840), (796, 852690), (860, 789234), (995, 682152), (1032, 657695), (1194, 568460), (1290, 526156), (1322, 513420), (1592, 426345), (1720, 394617), (1983, 342280), (1990, 341076), (2388, 284230), (2580, 263078), (2644, 256710), (2985, 227384), (3305, 205368), (3966, 171140), (3980, 170538), (4776, 142115), (5160, 131539), (5288, 128355), (5970, 113692), (6610, 102684), (7932, 85570), (7960, 85269), (8557, 79320), (9915, 68456), (11940, 56846), (13220, 51342), (15864, 42785), (17114, 39660), (19830, 34228), (23880, 28423), (25671, 26440)]