42990680

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{563}}^1$

素因数の和:680

約数の個数: 64

約数和(自身を含む): 102332160

約数和(自身を除く): 59341480

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 83, 92, 115, 166, 184, 230, 332, 415, 460, 563, 664, 830, 920, 1126, 1660, 1909, 2252, 2815, 3320, 3818, 4504, 5630, 7636, 9545, 11260, 12949, 15272, 19090, 22520, 25898, 38180, 46729, 51796, 64745, 76360, 93458, 103592, 129490, 186916, 233645, 258980, 373832, 467290, 517960, 934580, 1074767, 1869160, 2149534, 4299068, 5373835, 8598136, 10747670, 21495340, 42990680]

約数ペア:

[(1, 42990680), (2, 21495340), (4, 10747670), (5, 8598136), (8, 5373835), (10, 4299068), (20, 2149534), (23, 1869160), (40, 1074767), (46, 934580), (83, 517960), (92, 467290), (115, 373832), (166, 258980), (184, 233645), (230, 186916), (332, 129490), (415, 103592), (460, 93458), (563, 76360), (664, 64745), (830, 51796), (920, 46729), (1126, 38180), (1660, 25898), (1909, 22520), (2252, 19090), (2815, 15272), (3320, 12949), (3818, 11260), (4504, 9545), (5630, 7636)]