8437890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:295

約数の個数: 64

約数和(自身を含む): 21491712

約数和(自身を除く): 13053822

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 43, 62, 86, 93, 129, 155, 186, 211, 215, 258, 310, 422, 430, 465, 633, 645, 930, 1055, 1266, 1290, 1333, 2110, 2666, 3165, 3999, 6330, 6541, 6665, 7998, 9073, 13082, 13330, 18146, 19623, 19995, 27219, 32705, 39246, 39990, 45365, 54438, 65410, 90730, 98115, 136095, 196230, 272190, 281263, 562526, 843789, 1406315, 1687578, 2812630, 4218945, 8437890]

約数ペア:

[(1, 8437890), (2, 4218945), (3, 2812630), (5, 1687578), (6, 1406315), (10, 843789), (15, 562526), (30, 281263), (31, 272190), (43, 196230), (62, 136095), (86, 98115), (93, 90730), (129, 65410), (155, 54438), (186, 45365), (211, 39990), (215, 39246), (258, 32705), (310, 27219), (422, 19995), (430, 19623), (465, 18146), (633, 13330), (645, 13082), (930, 9073), (1055, 7998), (1266, 6665), (1290, 6541), (1333, 6330), (2110, 3999), (2666, 3165)]