178139640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6841}}^1$

素因数の和:6893

約数の個数: 128

約数和(自身を含む): 630558720

約数和(自身を除く): 452419080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 310, 372, 420, 434, 465, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1736, 1860, 2170, 2604, 3255, 3720, 4340, 5208, 6510, 6841, 8680, 13020, 13682, 20523, 26040, 27364, 34205, 41046, 47887, 54728, 68410, 82092, 95774, 102615, 136820, 143661, 164184, 191548, 205230, 212071, 239435, 273640, 287322, 383096, 410460, 424142, 478870, 574644, 636213, 718305, 820920, 848284, 957740, 1060355, 1149288, 1272426, 1436610, 1484497, 1696568, 1915480, 2120710, 2544852, 2873220, 2968994, 3181065, 4241420, 4453491, 5089704, 5746440, 5937988, 6362130, 7422485, 8482840, 8906982, 11875976, 12724260, 14844970, 17813964, 22267455, 25448520, 29689940, 35627928, 44534910, 59379880, 89069820, 178139640]

約数ペア:

[(1, 178139640), (2, 89069820), (3, 59379880), (4, 44534910), (5, 35627928), (6, 29689940), (7, 25448520), (8, 22267455), (10, 17813964), (12, 14844970), (14, 12724260), (15, 11875976), (20, 8906982), (21, 8482840), (24, 7422485), (28, 6362130), (30, 5937988), (31, 5746440), (35, 5089704), (40, 4453491), (42, 4241420), (56, 3181065), (60, 2968994), (62, 2873220), (70, 2544852), (84, 2120710), (93, 1915480), (105, 1696568), (120, 1484497), (124, 1436610), (140, 1272426), (155, 1149288), (168, 1060355), (186, 957740), (210, 848284), (217, 820920), (248, 718305), (280, 636213), (310, 574644), (372, 478870), (420, 424142), (434, 410460), (465, 383096), (620, 287322), (651, 273640), (744, 239435), (840, 212071), (868, 205230), (930, 191548), (1085, 164184), (1240, 143661), (1302, 136820), (1736, 102615), (1860, 95774), (2170, 82092), (2604, 68410), (3255, 54728), (3720, 47887), (4340, 41046), (5208, 34205), (6510, 27364), (6841, 26040), (8680, 20523), (13020, 13682)]