645914520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{26003}}^1$

素因数の和:26046

約数の個数: 128

約数和(自身を含む): 2246745600

約数和(自身を除く): 1600831080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 54, 60, 69, 72, 90, 92, 108, 115, 120, 135, 138, 180, 184, 207, 216, 230, 270, 276, 345, 360, 414, 460, 540, 552, 621, 690, 828, 920, 1035, 1080, 1242, 1380, 1656, 2070, 2484, 2760, 3105, 4140, 4968, 6210, 8280, 12420, 24840, 26003, 52006, 78009, 104012, 130015, 156018, 208024, 234027, 260030, 312036, 390045, 468054, 520060, 598069, 624072, 702081, 780090, 936108, 1040120, 1170135, 1196138, 1404162, 1560180, 1794207, 1872216, 2340270, 2392276, 2808324, 2990345, 3120360, 3510405, 3588414, 4680540, 4784552, 5382621, 5616648, 5980690, 7020810, 7176828, 8971035, 9361080, 10765242, 11961380, 14041620, 14353656, 16147863, 17942070, 21530484, 23922760, 26913105, 28083240, 32295726, 35884140, 43060968, 53826210, 64591452, 71768280, 80739315, 107652420, 129182904, 161478630, 215304840, 322957260, 645914520]

約数ペア:

[(1, 645914520), (2, 322957260), (3, 215304840), (4, 161478630), (5, 129182904), (6, 107652420), (8, 80739315), (9, 71768280), (10, 64591452), (12, 53826210), (15, 43060968), (18, 35884140), (20, 32295726), (23, 28083240), (24, 26913105), (27, 23922760), (30, 21530484), (36, 17942070), (40, 16147863), (45, 14353656), (46, 14041620), (54, 11961380), (60, 10765242), (69, 9361080), (72, 8971035), (90, 7176828), (92, 7020810), (108, 5980690), (115, 5616648), (120, 5382621), (135, 4784552), (138, 4680540), (180, 3588414), (184, 3510405), (207, 3120360), (216, 2990345), (230, 2808324), (270, 2392276), (276, 2340270), (345, 1872216), (360, 1794207), (414, 1560180), (460, 1404162), (540, 1196138), (552, 1170135), (621, 1040120), (690, 936108), (828, 780090), (920, 702081), (1035, 624072), (1080, 598069), (1242, 520060), (1380, 468054), (1656, 390045), (2070, 312036), (2484, 260030), (2760, 234027), (3105, 208024), (4140, 156018), (4968, 130015), (6210, 104012), (8280, 78009), (12420, 52006), (24840, 26003)]