245639940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{6427}}^1$

素因数の和:6466

約数の個数: 144

約数和(自身を含む): 861763392

約数和(自身を除く): 616123452

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 49, 52, 60, 65, 70, 78, 84, 91, 98, 105, 130, 140, 147, 156, 182, 195, 196, 210, 245, 260, 273, 294, 364, 390, 420, 455, 490, 546, 588, 637, 735, 780, 910, 980, 1092, 1274, 1365, 1470, 1820, 1911, 2548, 2730, 2940, 3185, 3822, 5460, 6370, 6427, 7644, 9555, 12740, 12854, 19110, 19281, 25708, 32135, 38220, 38562, 44989, 64270, 77124, 83551, 89978, 96405, 128540, 134967, 167102, 179956, 192810, 224945, 250653, 269934, 314923, 334204, 385620, 417755, 449890, 501306, 539868, 584857, 629846, 674835, 835510, 899780, 944769, 1002612, 1169714, 1253265, 1259692, 1349670, 1574615, 1671020, 1754571, 1889538, 2339428, 2506530, 2699340, 2924285, 3149230, 3509142, 3779076, 4093999, 4723845, 5013060, 5848570, 6298460, 7018284, 8187998, 8772855, 9447690, 11697140, 12281997, 16375996, 17545710, 18895380, 20469995, 24563994, 35091420, 40939990, 49127988, 61409985, 81879980, 122819970, 245639940]

約数ペア:

[(1, 245639940), (2, 122819970), (3, 81879980), (4, 61409985), (5, 49127988), (6, 40939990), (7, 35091420), (10, 24563994), (12, 20469995), (13, 18895380), (14, 17545710), (15, 16375996), (20, 12281997), (21, 11697140), (26, 9447690), (28, 8772855), (30, 8187998), (35, 7018284), (39, 6298460), (42, 5848570), (49, 5013060), (52, 4723845), (60, 4093999), (65, 3779076), (70, 3509142), (78, 3149230), (84, 2924285), (91, 2699340), (98, 2506530), (105, 2339428), (130, 1889538), (140, 1754571), (147, 1671020), (156, 1574615), (182, 1349670), (195, 1259692), (196, 1253265), (210, 1169714), (245, 1002612), (260, 944769), (273, 899780), (294, 835510), (364, 674835), (390, 629846), (420, 584857), (455, 539868), (490, 501306), (546, 449890), (588, 417755), (637, 385620), (735, 334204), (780, 314923), (910, 269934), (980, 250653), (1092, 224945), (1274, 192810), (1365, 179956), (1470, 167102), (1820, 134967), (1911, 128540), (2548, 96405), (2730, 89978), (2940, 83551), (3185, 77124), (3822, 64270), (5460, 44989), (6370, 38562), (6427, 38220), (7644, 32135), (9555, 25708), (12740, 19281), (12854, 19110)]