641356920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{2663}}^1$

素因数の和:2906

約数の個数: 128

約数和(自身を含む): 2148249600

約数和(自身を除く): 1506892680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 223, 270, 360, 446, 540, 669, 892, 1080, 1115, 1338, 1784, 2007, 2230, 2663, 2676, 3345, 4014, 4460, 5326, 5352, 6021, 6690, 7989, 8028, 8920, 10035, 10652, 12042, 13315, 13380, 15978, 16056, 20070, 21304, 23967, 24084, 26630, 26760, 30105, 31956, 39945, 40140, 47934, 48168, 53260, 60210, 63912, 71901, 79890, 80280, 95868, 106520, 119835, 120420, 143802, 159780, 191736, 239670, 240840, 287604, 319560, 359505, 479340, 575208, 593849, 719010, 958680, 1187698, 1438020, 1781547, 2375396, 2876040, 2969245, 3563094, 4750792, 5344641, 5938490, 7126188, 8907735, 10689282, 11876980, 14252376, 16033923, 17815470, 21378564, 23753960, 26723205, 32067846, 35630940, 42757128, 53446410, 64135692, 71261880, 80169615, 106892820, 128271384, 160339230, 213785640, 320678460, 641356920]

約数ペア:

[(1, 641356920), (2, 320678460), (3, 213785640), (4, 160339230), (5, 128271384), (6, 106892820), (8, 80169615), (9, 71261880), (10, 64135692), (12, 53446410), (15, 42757128), (18, 35630940), (20, 32067846), (24, 26723205), (27, 23753960), (30, 21378564), (36, 17815470), (40, 16033923), (45, 14252376), (54, 11876980), (60, 10689282), (72, 8907735), (90, 7126188), (108, 5938490), (120, 5344641), (135, 4750792), (180, 3563094), (216, 2969245), (223, 2876040), (270, 2375396), (360, 1781547), (446, 1438020), (540, 1187698), (669, 958680), (892, 719010), (1080, 593849), (1115, 575208), (1338, 479340), (1784, 359505), (2007, 319560), (2230, 287604), (2663, 240840), (2676, 239670), (3345, 191736), (4014, 159780), (4460, 143802), (5326, 120420), (5352, 119835), (6021, 106520), (6690, 95868), (7989, 80280), (8028, 79890), (8920, 71901), (10035, 63912), (10652, 60210), (12042, 53260), (13315, 48168), (13380, 47934), (15978, 40140), (16056, 39945), (20070, 31956), (21304, 30105), (23967, 26760), (24084, 26630)]