208726440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1997}}^1$

素因数の和:2091

約数の個数: 128

約数和(自身を含む): 684754560

約数和(自身を除く): 476028120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 67, 78, 104, 120, 130, 134, 156, 195, 201, 260, 268, 312, 335, 390, 402, 520, 536, 670, 780, 804, 871, 1005, 1340, 1560, 1608, 1742, 1997, 2010, 2613, 2680, 3484, 3994, 4020, 4355, 5226, 5991, 6968, 7988, 8040, 8710, 9985, 10452, 11982, 13065, 15976, 17420, 19970, 20904, 23964, 25961, 26130, 29955, 34840, 39940, 47928, 51922, 52260, 59910, 77883, 79880, 103844, 104520, 119820, 129805, 133799, 155766, 207688, 239640, 259610, 267598, 311532, 389415, 401397, 519220, 535196, 623064, 668995, 778830, 802794, 1038440, 1070392, 1337990, 1557660, 1605588, 1739387, 2006985, 2675980, 3115320, 3211176, 3478774, 4013970, 5218161, 5351960, 6957548, 8027940, 8696935, 10436322, 13915096, 16055880, 17393870, 20872644, 26090805, 34787740, 41745288, 52181610, 69575480, 104363220, 208726440]

約数ペア:

[(1, 208726440), (2, 104363220), (3, 69575480), (4, 52181610), (5, 41745288), (6, 34787740), (8, 26090805), (10, 20872644), (12, 17393870), (13, 16055880), (15, 13915096), (20, 10436322), (24, 8696935), (26, 8027940), (30, 6957548), (39, 5351960), (40, 5218161), (52, 4013970), (60, 3478774), (65, 3211176), (67, 3115320), (78, 2675980), (104, 2006985), (120, 1739387), (130, 1605588), (134, 1557660), (156, 1337990), (195, 1070392), (201, 1038440), (260, 802794), (268, 778830), (312, 668995), (335, 623064), (390, 535196), (402, 519220), (520, 401397), (536, 389415), (670, 311532), (780, 267598), (804, 259610), (871, 239640), (1005, 207688), (1340, 155766), (1560, 133799), (1608, 129805), (1742, 119820), (1997, 104520), (2010, 103844), (2613, 79880), (2680, 77883), (3484, 59910), (3994, 52260), (4020, 51922), (4355, 47928), (5226, 39940), (5991, 34840), (6968, 29955), (7988, 26130), (8040, 25961), (8710, 23964), (9985, 20904), (10452, 19970), (11982, 17420), (13065, 15976)]