440123940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{823}}^1\times {\mathrm{2971}}^1$

素因数の和:3809

約数の個数: 72

約数和(自身を含む): 1337114688

約数和(自身を除く): 896990748

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 823, 1646, 2469, 2971, 3292, 4115, 4938, 5942, 7407, 8230, 8913, 9876, 11884, 12345, 14814, 14855, 16460, 17826, 24690, 26739, 29628, 29710, 35652, 37035, 44565, 49380, 53478, 59420, 74070, 89130, 106956, 133695, 148140, 178260, 267390, 534780, 2445133, 4890266, 7335399, 9780532, 12225665, 14670798, 22006197, 24451330, 29341596, 36676995, 44012394, 48902660, 73353990, 88024788, 110030985, 146707980, 220061970, 440123940]

約数ペア:

[(1, 440123940), (2, 220061970), (3, 146707980), (4, 110030985), (5, 88024788), (6, 73353990), (9, 48902660), (10, 44012394), (12, 36676995), (15, 29341596), (18, 24451330), (20, 22006197), (30, 14670798), (36, 12225665), (45, 9780532), (60, 7335399), (90, 4890266), (180, 2445133), (823, 534780), (1646, 267390), (2469, 178260), (2971, 148140), (3292, 133695), (4115, 106956), (4938, 89130), (5942, 74070), (7407, 59420), (8230, 53478), (8913, 49380), (9876, 44565), (11884, 37035), (12345, 35652), (14814, 29710), (14855, 29628), (16460, 26739), (17826, 24690)]