254997960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{2551}}^1$

素因数の和:2596

約数の個数: 192

約数和(自身を含む): 942606720

約数和(自身を除く): 687608760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 49, 51, 56, 60, 68, 70, 84, 85, 98, 102, 105, 119, 120, 136, 140, 147, 168, 170, 196, 204, 210, 238, 245, 255, 280, 294, 340, 357, 392, 408, 420, 476, 490, 510, 588, 595, 680, 714, 735, 833, 840, 952, 980, 1020, 1176, 1190, 1428, 1470, 1666, 1785, 1960, 2040, 2380, 2499, 2551, 2856, 2940, 3332, 3570, 4165, 4760, 4998, 5102, 5880, 6664, 7140, 7653, 8330, 9996, 10204, 12495, 12755, 14280, 15306, 16660, 17857, 19992, 20408, 24990, 25510, 30612, 33320, 35714, 38265, 43367, 49980, 51020, 53571, 61224, 71428, 76530, 86734, 89285, 99960, 102040, 107142, 124999, 130101, 142856, 153060, 173468, 178570, 214284, 216835, 249998, 260202, 267855, 303569, 306120, 346936, 357140, 374997, 428568, 433670, 499996, 520404, 535710, 607138, 624995, 650505, 714280, 749994, 867340, 910707, 999992, 1040808, 1071420, 1214276, 1249990, 1301010, 1499988, 1517845, 1734680, 1821414, 1874985, 2124983, 2142840, 2428552, 2499980, 2602020, 2999976, 3035690, 3642828, 3749970, 4249966, 4553535, 4999960, 5204040, 6071380, 6374949, 7285656, 7499940, 8499932, 9107070, 10624915, 12142760, 12749898, 14999880, 16999864, 18214140, 21249830, 25499796, 31874745, 36428280, 42499660, 50999592, 63749490, 84999320, 127498980, 254997960]

約数ペア:

[(1, 254997960), (2, 127498980), (3, 84999320), (4, 63749490), (5, 50999592), (6, 42499660), (7, 36428280), (8, 31874745), (10, 25499796), (12, 21249830), (14, 18214140), (15, 16999864), (17, 14999880), (20, 12749898), (21, 12142760), (24, 10624915), (28, 9107070), (30, 8499932), (34, 7499940), (35, 7285656), (40, 6374949), (42, 6071380), (49, 5204040), (51, 4999960), (56, 4553535), (60, 4249966), (68, 3749970), (70, 3642828), (84, 3035690), (85, 2999976), (98, 2602020), (102, 2499980), (105, 2428552), (119, 2142840), (120, 2124983), (136, 1874985), (140, 1821414), (147, 1734680), (168, 1517845), (170, 1499988), (196, 1301010), (204, 1249990), (210, 1214276), (238, 1071420), (245, 1040808), (255, 999992), (280, 910707), (294, 867340), (340, 749994), (357, 714280), (392, 650505), (408, 624995), (420, 607138), (476, 535710), (490, 520404), (510, 499996), (588, 433670), (595, 428568), (680, 374997), (714, 357140), (735, 346936), (833, 306120), (840, 303569), (952, 267855), (980, 260202), (1020, 249998), (1176, 216835), (1190, 214284), (1428, 178570), (1470, 173468), (1666, 153060), (1785, 142856), (1960, 130101), (2040, 124999), (2380, 107142), (2499, 102040), (2551, 99960), (2856, 89285), (2940, 86734), (3332, 76530), (3570, 71428), (4165, 61224), (4760, 53571), (4998, 51020), (5102, 49980), (5880, 43367), (6664, 38265), (7140, 35714), (7653, 33320), (8330, 30612), (9996, 25510), (10204, 24990), (12495, 20408), (12755, 19992), (14280, 17857), (15306, 16660)]