1240872240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{12281}}^1$

素因数の和:12718

約数の個数: 80

約数和(自身を含む): 3856154976

約数和(自身を除く): 2615282736

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 421, 842, 1263, 1684, 2105, 2526, 3368, 4210, 5052, 6315, 6736, 8420, 10104, 12281, 12630, 16840, 20208, 24562, 25260, 33680, 36843, 49124, 50520, 61405, 73686, 98248, 101040, 122810, 147372, 184215, 196496, 245620, 294744, 368430, 491240, 589488, 736860, 982480, 1473720, 2947440, 5170301, 10340602, 15510903, 20681204, 25851505, 31021806, 41362408, 51703010, 62043612, 77554515, 82724816, 103406020, 124087224, 155109030, 206812040, 248174448, 310218060, 413624080, 620436120, 1240872240]

約数ペア:

[(1, 1240872240), (2, 620436120), (3, 413624080), (4, 310218060), (5, 248174448), (6, 206812040), (8, 155109030), (10, 124087224), (12, 103406020), (15, 82724816), (16, 77554515), (20, 62043612), (24, 51703010), (30, 41362408), (40, 31021806), (48, 25851505), (60, 20681204), (80, 15510903), (120, 10340602), (240, 5170301), (421, 2947440), (842, 1473720), (1263, 982480), (1684, 736860), (2105, 589488), (2526, 491240), (3368, 368430), (4210, 294744), (5052, 245620), (6315, 196496), (6736, 184215), (8420, 147372), (10104, 122810), (12281, 101040), (12630, 98248), (16840, 73686), (20208, 61405), (24562, 50520), (25260, 49124), (33680, 36843)]