16601580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{619}}^1$

素因数の和:783

約数の個数: 72

約数和(自身を含む): 50778000

約数和(自身を除く): 34176420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 149, 180, 298, 447, 596, 619, 745, 894, 1238, 1341, 1490, 1788, 1857, 2235, 2476, 2682, 2980, 3095, 3714, 4470, 5364, 5571, 6190, 6705, 7428, 8940, 9285, 11142, 12380, 13410, 18570, 22284, 26820, 27855, 37140, 55710, 92231, 111420, 184462, 276693, 368924, 461155, 553386, 830079, 922310, 1106772, 1383465, 1660158, 1844620, 2766930, 3320316, 4150395, 5533860, 8300790, 16601580]

約数ペア:

[(1, 16601580), (2, 8300790), (3, 5533860), (4, 4150395), (5, 3320316), (6, 2766930), (9, 1844620), (10, 1660158), (12, 1383465), (15, 1106772), (18, 922310), (20, 830079), (30, 553386), (36, 461155), (45, 368924), (60, 276693), (90, 184462), (149, 111420), (180, 92231), (298, 55710), (447, 37140), (596, 27855), (619, 26820), (745, 22284), (894, 18570), (1238, 13410), (1341, 12380), (1490, 11142), (1788, 9285), (1857, 8940), (2235, 7428), (2476, 6705), (2682, 6190), (2980, 5571), (3095, 5364), (3714, 4470)]