91709080

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1\times {\mathrm{239}}^1$

素因数の和:484

約数の個数: 64

約数和(自身を含む): 212284800

約数和(自身を除く): 120575720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 181, 212, 239, 265, 362, 424, 478, 530, 724, 905, 956, 1060, 1195, 1448, 1810, 1912, 2120, 2390, 3620, 4780, 7240, 9560, 9593, 12667, 19186, 25334, 38372, 43259, 47965, 50668, 63335, 76744, 86518, 95930, 101336, 126670, 173036, 191860, 216295, 253340, 346072, 383720, 432590, 506680, 865180, 1730360, 2292727, 4585454, 9170908, 11463635, 18341816, 22927270, 45854540, 91709080]

約数ペア:

[(1, 91709080), (2, 45854540), (4, 22927270), (5, 18341816), (8, 11463635), (10, 9170908), (20, 4585454), (40, 2292727), (53, 1730360), (106, 865180), (181, 506680), (212, 432590), (239, 383720), (265, 346072), (362, 253340), (424, 216295), (478, 191860), (530, 173036), (724, 126670), (905, 101336), (956, 95930), (1060, 86518), (1195, 76744), (1448, 63335), (1810, 50668), (1912, 47965), (2120, 43259), (2390, 38372), (3620, 25334), (4780, 19186), (7240, 12667), (9560, 9593)]