1687560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^3\times {\mathrm{41}}^1$

素因数の和:76

約数の個数: 128

約数和(自身を含む): 6048000

約数和(自身を除く): 4360440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 41, 42, 49, 56, 60, 70, 82, 84, 98, 105, 120, 123, 140, 147, 164, 168, 196, 205, 210, 245, 246, 280, 287, 294, 328, 343, 392, 410, 420, 490, 492, 574, 588, 615, 686, 735, 820, 840, 861, 980, 984, 1029, 1148, 1176, 1230, 1372, 1435, 1470, 1640, 1715, 1722, 1960, 2009, 2058, 2296, 2460, 2744, 2870, 2940, 3430, 3444, 4018, 4116, 4305, 4920, 5145, 5740, 5880, 6027, 6860, 6888, 8036, 8232, 8610, 10045, 10290, 11480, 12054, 13720, 14063, 16072, 17220, 20090, 20580, 24108, 28126, 30135, 34440, 40180, 41160, 42189, 48216, 56252, 60270, 70315, 80360, 84378, 112504, 120540, 140630, 168756, 210945, 241080, 281260, 337512, 421890, 562520, 843780, 1687560]

約数ペア:

[(1, 1687560), (2, 843780), (3, 562520), (4, 421890), (5, 337512), (6, 281260), (7, 241080), (8, 210945), (10, 168756), (12, 140630), (14, 120540), (15, 112504), (20, 84378), (21, 80360), (24, 70315), (28, 60270), (30, 56252), (35, 48216), (40, 42189), (41, 41160), (42, 40180), (49, 34440), (56, 30135), (60, 28126), (70, 24108), (82, 20580), (84, 20090), (98, 17220), (105, 16072), (120, 14063), (123, 13720), (140, 12054), (147, 11480), (164, 10290), (168, 10045), (196, 8610), (205, 8232), (210, 8036), (245, 6888), (246, 6860), (280, 6027), (287, 5880), (294, 5740), (328, 5145), (343, 4920), (392, 4305), (410, 4116), (420, 4018), (490, 3444), (492, 3430), (574, 2940), (588, 2870), (615, 2744), (686, 2460), (735, 2296), (820, 2058), (840, 2009), (861, 1960), (980, 1722), (984, 1715), (1029, 1640), (1148, 1470), (1176, 1435), (1230, 1372)]