6409980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{239}}^1$

素因数の和:403

約数の個数: 72

約数和(自身を含む): 19656000

約数和(自身を除く): 13246020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 149, 180, 239, 298, 447, 478, 596, 717, 745, 894, 956, 1195, 1341, 1434, 1490, 1788, 2151, 2235, 2390, 2682, 2868, 2980, 3585, 4302, 4470, 4780, 5364, 6705, 7170, 8604, 8940, 10755, 13410, 14340, 21510, 26820, 35611, 43020, 71222, 106833, 142444, 178055, 213666, 320499, 356110, 427332, 534165, 640998, 712220, 1068330, 1281996, 1602495, 2136660, 3204990, 6409980]

約数ペア:

[(1, 6409980), (2, 3204990), (3, 2136660), (4, 1602495), (5, 1281996), (6, 1068330), (9, 712220), (10, 640998), (12, 534165), (15, 427332), (18, 356110), (20, 320499), (30, 213666), (36, 178055), (45, 142444), (60, 106833), (90, 71222), (149, 43020), (180, 35611), (239, 26820), (298, 21510), (447, 14340), (478, 13410), (596, 10755), (717, 8940), (745, 8604), (894, 7170), (956, 6705), (1195, 5364), (1341, 4780), (1434, 4470), (1490, 4302), (1788, 3585), (2151, 2980), (2235, 2868), (2390, 2682)]