489595080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1999}}^1$

素因数の和:2183

約数の個数: 128

約数和(自身を含む): 1592640000

約数和(自身を除く): 1103044920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 157, 195, 260, 312, 314, 390, 471, 520, 628, 780, 785, 942, 1256, 1560, 1570, 1884, 1999, 2041, 2355, 3140, 3768, 3998, 4082, 4710, 5997, 6123, 6280, 7996, 8164, 9420, 9995, 10205, 11994, 12246, 15992, 16328, 18840, 19990, 20410, 23988, 24492, 25987, 29985, 30615, 39980, 40820, 47976, 48984, 51974, 59970, 61230, 77961, 79960, 81640, 103948, 119940, 122460, 129935, 155922, 207896, 239880, 244920, 259870, 311844, 313843, 389805, 519740, 623688, 627686, 779610, 941529, 1039480, 1255372, 1559220, 1569215, 1883058, 2510744, 3118440, 3138430, 3766116, 4079959, 4707645, 6276860, 7532232, 8159918, 9415290, 12239877, 12553720, 16319836, 18830580, 20399795, 24479754, 32639672, 37661160, 40799590, 48959508, 61199385, 81599180, 97919016, 122398770, 163198360, 244797540, 489595080]

約数ペア:

[(1, 489595080), (2, 244797540), (3, 163198360), (4, 122398770), (5, 97919016), (6, 81599180), (8, 61199385), (10, 48959508), (12, 40799590), (13, 37661160), (15, 32639672), (20, 24479754), (24, 20399795), (26, 18830580), (30, 16319836), (39, 12553720), (40, 12239877), (52, 9415290), (60, 8159918), (65, 7532232), (78, 6276860), (104, 4707645), (120, 4079959), (130, 3766116), (156, 3138430), (157, 3118440), (195, 2510744), (260, 1883058), (312, 1569215), (314, 1559220), (390, 1255372), (471, 1039480), (520, 941529), (628, 779610), (780, 627686), (785, 623688), (942, 519740), (1256, 389805), (1560, 313843), (1570, 311844), (1884, 259870), (1999, 244920), (2041, 239880), (2355, 207896), (3140, 155922), (3768, 129935), (3998, 122460), (4082, 119940), (4710, 103948), (5997, 81640), (6123, 79960), (6280, 77961), (7996, 61230), (8164, 59970), (9420, 51974), (9995, 48984), (10205, 47976), (11994, 40820), (12246, 39980), (15992, 30615), (16328, 29985), (18840, 25987), (19990, 24492), (20410, 23988)]