80225760

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{421}}^1$

素因数の和:836

約数の個数: 96

約数和(自身を含む): 253949472

約数和(自身を除く): 173723712

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 397, 421, 480, 794, 842, 1191, 1263, 1588, 1684, 1985, 2105, 2382, 2526, 3176, 3368, 3970, 4210, 4764, 5052, 5955, 6315, 6352, 6736, 7940, 8420, 9528, 10104, 11910, 12630, 12704, 13472, 15880, 16840, 19056, 20208, 23820, 25260, 31760, 33680, 38112, 40416, 47640, 50520, 63520, 67360, 95280, 101040, 167137, 190560, 202080, 334274, 501411, 668548, 835685, 1002822, 1337096, 1671370, 2005644, 2507055, 2674192, 3342740, 4011288, 5014110, 5348384, 6685480, 8022576, 10028220, 13370960, 16045152, 20056440, 26741920, 40112880, 80225760]

約数ペア:

[(1, 80225760), (2, 40112880), (3, 26741920), (4, 20056440), (5, 16045152), (6, 13370960), (8, 10028220), (10, 8022576), (12, 6685480), (15, 5348384), (16, 5014110), (20, 4011288), (24, 3342740), (30, 2674192), (32, 2507055), (40, 2005644), (48, 1671370), (60, 1337096), (80, 1002822), (96, 835685), (120, 668548), (160, 501411), (240, 334274), (397, 202080), (421, 190560), (480, 167137), (794, 101040), (842, 95280), (1191, 67360), (1263, 63520), (1588, 50520), (1684, 47640), (1985, 40416), (2105, 38112), (2382, 33680), (2526, 31760), (3176, 25260), (3368, 23820), (3970, 20208), (4210, 19056), (4764, 16840), (5052, 15880), (5955, 13472), (6315, 12704), (6352, 12630), (6736, 11910), (7940, 10104), (8420, 9528)]