1997706080

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{1039}}^1$

素因数の和:1312

約数の個数: 96

約数和(自身を含む): 4825941120

約数和(自身を除く): 2828235040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 197, 244, 305, 394, 488, 610, 788, 976, 985, 1039, 1220, 1576, 1952, 1970, 2078, 2440, 3152, 3940, 4156, 4880, 5195, 6304, 7880, 8312, 9760, 10390, 12017, 15760, 16624, 20780, 24034, 31520, 33248, 41560, 48068, 60085, 63379, 83120, 96136, 120170, 126758, 166240, 192272, 204683, 240340, 253516, 316895, 384544, 409366, 480680, 507032, 633790, 818732, 961360, 1014064, 1023415, 1267580, 1637464, 1922720, 2028128, 2046830, 2535160, 3274928, 4093660, 5070320, 6549856, 8187320, 10140640, 12485663, 16374640, 24971326, 32749280, 49942652, 62428315, 99885304, 124856630, 199770608, 249713260, 399541216, 499426520, 998853040, 1997706080]

約数ペア:

[(1, 1997706080), (2, 998853040), (4, 499426520), (5, 399541216), (8, 249713260), (10, 199770608), (16, 124856630), (20, 99885304), (32, 62428315), (40, 49942652), (61, 32749280), (80, 24971326), (122, 16374640), (160, 12485663), (197, 10140640), (244, 8187320), (305, 6549856), (394, 5070320), (488, 4093660), (610, 3274928), (788, 2535160), (976, 2046830), (985, 2028128), (1039, 1922720), (1220, 1637464), (1576, 1267580), (1952, 1023415), (1970, 1014064), (2078, 961360), (2440, 818732), (3152, 633790), (3940, 507032), (4156, 480680), (4880, 409366), (5195, 384544), (6304, 316895), (7880, 253516), (8312, 240340), (9760, 204683), (10390, 192272), (12017, 166240), (15760, 126758), (16624, 120170), (20780, 96136), (24034, 83120), (31520, 63379), (33248, 60085), (41560, 48068)]