21945360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1499}}^1$

素因数の和:1576

約数の個数: 80

約数和(自身を含む): 69192000

約数和(自身を除く): 47246640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 61, 80, 120, 122, 183, 240, 244, 305, 366, 488, 610, 732, 915, 976, 1220, 1464, 1499, 1830, 2440, 2928, 2998, 3660, 4497, 4880, 5996, 7320, 7495, 8994, 11992, 14640, 14990, 17988, 22485, 23984, 29980, 35976, 44970, 59960, 71952, 89940, 91439, 119920, 179880, 182878, 274317, 359760, 365756, 457195, 548634, 731512, 914390, 1097268, 1371585, 1463024, 1828780, 2194536, 2743170, 3657560, 4389072, 5486340, 7315120, 10972680, 21945360]

約数ペア:

[(1, 21945360), (2, 10972680), (3, 7315120), (4, 5486340), (5, 4389072), (6, 3657560), (8, 2743170), (10, 2194536), (12, 1828780), (15, 1463024), (16, 1371585), (20, 1097268), (24, 914390), (30, 731512), (40, 548634), (48, 457195), (60, 365756), (61, 359760), (80, 274317), (120, 182878), (122, 179880), (183, 119920), (240, 91439), (244, 89940), (305, 71952), (366, 59960), (488, 44970), (610, 35976), (732, 29980), (915, 23984), (976, 22485), (1220, 17988), (1464, 14990), (1499, 14640), (1830, 11992), (2440, 8994), (2928, 7495), (2998, 7320), (3660, 5996), (4497, 4880)]