30313880

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1$

素因数の和:324

約数の個数: 64

約数和(自身を含む): 70761600

約数和(自身を除く): 40447720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 79, 106, 158, 181, 212, 265, 316, 362, 395, 424, 530, 632, 724, 790, 905, 1060, 1448, 1580, 1810, 2120, 3160, 3620, 4187, 7240, 8374, 9593, 14299, 16748, 19186, 20935, 28598, 33496, 38372, 41870, 47965, 57196, 71495, 76744, 83740, 95930, 114392, 142990, 167480, 191860, 285980, 383720, 571960, 757847, 1515694, 3031388, 3789235, 6062776, 7578470, 15156940, 30313880]

約数ペア:

[(1, 30313880), (2, 15156940), (4, 7578470), (5, 6062776), (8, 3789235), (10, 3031388), (20, 1515694), (40, 757847), (53, 571960), (79, 383720), (106, 285980), (158, 191860), (181, 167480), (212, 142990), (265, 114392), (316, 95930), (362, 83740), (395, 76744), (424, 71495), (530, 57196), (632, 47965), (724, 41870), (790, 38372), (905, 33496), (1060, 28598), (1448, 20935), (1580, 19186), (1810, 16748), (2120, 14299), (3160, 9593), (3620, 8374), (4187, 7240)]