664691640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{223}}^1\times {\mathrm{421}}^1$

素因数の和:717

約数の個数: 128

約数和(自身を含む): 2041804800

約数和(自身を除く): 1377113160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 59, 60, 118, 120, 177, 223, 236, 295, 354, 421, 446, 472, 590, 669, 708, 842, 885, 892, 1115, 1180, 1263, 1338, 1416, 1684, 1770, 1784, 2105, 2230, 2360, 2526, 2676, 3345, 3368, 3540, 4210, 4460, 5052, 5352, 6315, 6690, 7080, 8420, 8920, 10104, 12630, 13157, 13380, 16840, 24839, 25260, 26314, 26760, 39471, 49678, 50520, 52628, 65785, 74517, 78942, 93883, 99356, 105256, 124195, 131570, 149034, 157884, 187766, 197355, 198712, 248390, 263140, 281649, 298068, 315768, 372585, 375532, 394710, 469415, 496780, 526280, 563298, 596136, 745170, 751064, 789420, 938830, 993560, 1126596, 1408245, 1490340, 1578840, 1877660, 2253192, 2816490, 2980680, 3755320, 5539097, 5632980, 11078194, 11265960, 16617291, 22156388, 27695485, 33234582, 44312776, 55390970, 66469164, 83086455, 110781940, 132938328, 166172910, 221563880, 332345820, 664691640]

約数ペア:

[(1, 664691640), (2, 332345820), (3, 221563880), (4, 166172910), (5, 132938328), (6, 110781940), (8, 83086455), (10, 66469164), (12, 55390970), (15, 44312776), (20, 33234582), (24, 27695485), (30, 22156388), (40, 16617291), (59, 11265960), (60, 11078194), (118, 5632980), (120, 5539097), (177, 3755320), (223, 2980680), (236, 2816490), (295, 2253192), (354, 1877660), (421, 1578840), (446, 1490340), (472, 1408245), (590, 1126596), (669, 993560), (708, 938830), (842, 789420), (885, 751064), (892, 745170), (1115, 596136), (1180, 563298), (1263, 526280), (1338, 496780), (1416, 469415), (1684, 394710), (1770, 375532), (1784, 372585), (2105, 315768), (2230, 298068), (2360, 281649), (2526, 263140), (2676, 248390), (3345, 198712), (3368, 197355), (3540, 187766), (4210, 157884), (4460, 149034), (5052, 131570), (5352, 124195), (6315, 105256), (6690, 99356), (7080, 93883), (8420, 78942), (8920, 74517), (10104, 65785), (12630, 52628), (13157, 50520), (13380, 49678), (16840, 39471), (24839, 26760), (25260, 26314)]