39881340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1487}}^1$

素因数の和:1651

約数の個数: 72

約数和(自身を含む): 121867200

約数和(自身を除く): 81985860

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, 745, 894, 1341, 1487, 1490, 1788, 2235, 2682, 2974, 2980, 4461, 4470, 5364, 5948, 6705, 7435, 8922, 8940, 13383, 13410, 14870, 17844, 22305, 26766, 26820, 29740, 44610, 53532, 66915, 89220, 133830, 221563, 267660, 443126, 664689, 886252, 1107815, 1329378, 1994067, 2215630, 2658756, 3323445, 3988134, 4431260, 6646890, 7976268, 9970335, 13293780, 19940670, 39881340]

約数ペア:

[(1, 39881340), (2, 19940670), (3, 13293780), (4, 9970335), (5, 7976268), (6, 6646890), (9, 4431260), (10, 3988134), (12, 3323445), (15, 2658756), (18, 2215630), (20, 1994067), (30, 1329378), (36, 1107815), (45, 886252), (60, 664689), (90, 443126), (149, 267660), (180, 221563), (298, 133830), (447, 89220), (596, 66915), (745, 53532), (894, 44610), (1341, 29740), (1487, 26820), (1490, 26766), (1788, 22305), (2235, 17844), (2682, 14870), (2974, 13410), (2980, 13383), (4461, 8940), (4470, 8922), (5364, 7435), (5948, 6705)]