645346560

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4099}}^1$

素因数の和:4164

約数の個数: 144

約数和(自身を含む): 2111860800

約数和(自身を除く): 1466514240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 41, 48, 60, 64, 80, 82, 96, 120, 123, 128, 160, 164, 192, 205, 240, 246, 256, 320, 328, 384, 410, 480, 492, 615, 640, 656, 768, 820, 960, 984, 1230, 1280, 1312, 1640, 1920, 1968, 2460, 2624, 3280, 3840, 3936, 4099, 4920, 5248, 6560, 7872, 8198, 9840, 10496, 12297, 13120, 15744, 16396, 19680, 20495, 24594, 26240, 31488, 32792, 39360, 40990, 49188, 52480, 61485, 65584, 78720, 81980, 98376, 122970, 131168, 157440, 163960, 168059, 196752, 245940, 262336, 327920, 336118, 393504, 491880, 504177, 524672, 655840, 672236, 787008, 840295, 983760, 1008354, 1049344, 1311680, 1344472, 1574016, 1680590, 1967520, 2016708, 2520885, 2623360, 2688944, 3148032, 3361180, 3935040, 4033416, 5041770, 5246720, 5377888, 6722360, 7870080, 8066832, 10083540, 10755776, 13444720, 15740160, 16133664, 20167080, 21511552, 26889440, 32267328, 40334160, 43023104, 53778880, 64534656, 80668320, 107557760, 129069312, 161336640, 215115520, 322673280, 645346560]

約数ペア:

[(1, 645346560), (2, 322673280), (3, 215115520), (4, 161336640), (5, 129069312), (6, 107557760), (8, 80668320), (10, 64534656), (12, 53778880), (15, 43023104), (16, 40334160), (20, 32267328), (24, 26889440), (30, 21511552), (32, 20167080), (40, 16133664), (41, 15740160), (48, 13444720), (60, 10755776), (64, 10083540), (80, 8066832), (82, 7870080), (96, 6722360), (120, 5377888), (123, 5246720), (128, 5041770), (160, 4033416), (164, 3935040), (192, 3361180), (205, 3148032), (240, 2688944), (246, 2623360), (256, 2520885), (320, 2016708), (328, 1967520), (384, 1680590), (410, 1574016), (480, 1344472), (492, 1311680), (615, 1049344), (640, 1008354), (656, 983760), (768, 840295), (820, 787008), (960, 672236), (984, 655840), (1230, 524672), (1280, 504177), (1312, 491880), (1640, 393504), (1920, 336118), (1968, 327920), (2460, 262336), (2624, 245940), (3280, 196752), (3840, 168059), (3936, 163960), (4099, 157440), (4920, 131168), (5248, 122970), (6560, 98376), (7872, 81980), (8198, 78720), (9840, 65584), (10496, 61485), (12297, 52480), (13120, 49188), (15744, 40990), (16396, 39360), (19680, 32792), (20495, 31488), (24594, 26240)]