12461280

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1997}}^1$

素因数の和:2028

約数の個数: 96

約数和(自身を含む): 42293664

約数和(自身を除く): 29832384

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 80, 96, 104, 120, 130, 156, 160, 195, 208, 240, 260, 312, 390, 416, 480, 520, 624, 780, 1040, 1248, 1560, 1997, 2080, 3120, 3994, 5991, 6240, 7988, 9985, 11982, 15976, 19970, 23964, 25961, 29955, 31952, 39940, 47928, 51922, 59910, 63904, 77883, 79880, 95856, 103844, 119820, 129805, 155766, 159760, 191712, 207688, 239640, 259610, 311532, 319520, 389415, 415376, 479280, 519220, 623064, 778830, 830752, 958560, 1038440, 1246128, 1557660, 2076880, 2492256, 3115320, 4153760, 6230640, 12461280]

約数ペア:

[(1, 12461280), (2, 6230640), (3, 4153760), (4, 3115320), (5, 2492256), (6, 2076880), (8, 1557660), (10, 1246128), (12, 1038440), (13, 958560), (15, 830752), (16, 778830), (20, 623064), (24, 519220), (26, 479280), (30, 415376), (32, 389415), (39, 319520), (40, 311532), (48, 259610), (52, 239640), (60, 207688), (65, 191712), (78, 159760), (80, 155766), (96, 129805), (104, 119820), (120, 103844), (130, 95856), (156, 79880), (160, 77883), (195, 63904), (208, 59910), (240, 51922), (260, 47928), (312, 39940), (390, 31952), (416, 29955), (480, 25961), (520, 23964), (624, 19970), (780, 15976), (1040, 11982), (1248, 9985), (1560, 7988), (1997, 6240), (2080, 5991), (3120, 3994)]