578731860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{1091}}^1$

素因数の和:1534

約数の個数: 144

約数和(自身を含む): 2012879232

約数和(自身を除く): 1434147372

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 421, 630, 842, 1091, 1260, 1263, 1684, 2105, 2182, 2526, 2947, 3273, 3789, 4210, 4364, 5052, 5455, 5894, 6315, 6546, 7578, 7637, 8420, 8841, 9819, 10910, 11788, 12630, 13092, 14735, 15156, 15274, 16365, 17682, 18945, 19638, 21820, 22911, 25260, 26523, 29470, 30548, 32730, 35364, 37890, 38185, 39276, 44205, 45822, 49095, 53046, 58940, 65460, 68733, 75780, 76370, 88410, 91644, 98190, 106092, 114555, 132615, 137466, 152740, 176820, 196380, 229110, 265230, 274932, 343665, 458220, 459311, 530460, 687330, 918622, 1374660, 1377933, 1837244, 2296555, 2755866, 3215177, 4133799, 4593110, 5511732, 6430354, 6889665, 8267598, 9186220, 9645531, 12860708, 13779330, 16075885, 16535196, 19291062, 20668995, 27558660, 28936593, 32151770, 38582124, 41337990, 48227655, 57873186, 64303540, 82675980, 96455310, 115746372, 144682965, 192910620, 289365930, 578731860]

約数ペア:

[(1, 578731860), (2, 289365930), (3, 192910620), (4, 144682965), (5, 115746372), (6, 96455310), (7, 82675980), (9, 64303540), (10, 57873186), (12, 48227655), (14, 41337990), (15, 38582124), (18, 32151770), (20, 28936593), (21, 27558660), (28, 20668995), (30, 19291062), (35, 16535196), (36, 16075885), (42, 13779330), (45, 12860708), (60, 9645531), (63, 9186220), (70, 8267598), (84, 6889665), (90, 6430354), (105, 5511732), (126, 4593110), (140, 4133799), (180, 3215177), (210, 2755866), (252, 2296555), (315, 1837244), (420, 1377933), (421, 1374660), (630, 918622), (842, 687330), (1091, 530460), (1260, 459311), (1263, 458220), (1684, 343665), (2105, 274932), (2182, 265230), (2526, 229110), (2947, 196380), (3273, 176820), (3789, 152740), (4210, 137466), (4364, 132615), (5052, 114555), (5455, 106092), (5894, 98190), (6315, 91644), (6546, 88410), (7578, 76370), (7637, 75780), (8420, 68733), (8841, 65460), (9819, 58940), (10910, 53046), (11788, 49095), (12630, 45822), (13092, 44205), (14735, 39276), (15156, 38185), (15274, 37890), (16365, 35364), (17682, 32730), (18945, 30548), (19638, 29470), (21820, 26523), (22911, 25260)]