621145560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^3\times {\mathrm{15091}}^1$

素因数の和:15126

約数の個数: 128

約数和(自身を含む): 2173248000

約数和(自身を除く): 1552102440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 343, 392, 420, 490, 588, 686, 735, 840, 980, 1029, 1176, 1372, 1470, 1715, 1960, 2058, 2744, 2940, 3430, 4116, 5145, 5880, 6860, 8232, 10290, 13720, 15091, 20580, 30182, 41160, 45273, 60364, 75455, 90546, 105637, 120728, 150910, 181092, 211274, 226365, 301820, 316911, 362184, 422548, 452730, 528185, 603640, 633822, 739459, 845096, 905460, 1056370, 1267644, 1478918, 1584555, 1810920, 2112740, 2218377, 2535288, 2957836, 3169110, 3697295, 4225480, 4436754, 5176213, 5915672, 6338220, 7394590, 8873508, 10352426, 11091885, 12676440, 14789180, 15528639, 17747016, 20704852, 22183770, 25881065, 29578360, 31057278, 41409704, 44367540, 51762130, 62114556, 77643195, 88735080, 103524260, 124229112, 155286390, 207048520, 310572780, 621145560]

約数ペア:

[(1, 621145560), (2, 310572780), (3, 207048520), (4, 155286390), (5, 124229112), (6, 103524260), (7, 88735080), (8, 77643195), (10, 62114556), (12, 51762130), (14, 44367540), (15, 41409704), (20, 31057278), (21, 29578360), (24, 25881065), (28, 22183770), (30, 20704852), (35, 17747016), (40, 15528639), (42, 14789180), (49, 12676440), (56, 11091885), (60, 10352426), (70, 8873508), (84, 7394590), (98, 6338220), (105, 5915672), (120, 5176213), (140, 4436754), (147, 4225480), (168, 3697295), (196, 3169110), (210, 2957836), (245, 2535288), (280, 2218377), (294, 2112740), (343, 1810920), (392, 1584555), (420, 1478918), (490, 1267644), (588, 1056370), (686, 905460), (735, 845096), (840, 739459), (980, 633822), (1029, 603640), (1176, 528185), (1372, 452730), (1470, 422548), (1715, 362184), (1960, 316911), (2058, 301820), (2744, 226365), (2940, 211274), (3430, 181092), (4116, 150910), (5145, 120728), (5880, 105637), (6860, 90546), (8232, 75455), (10290, 60364), (13720, 45273), (15091, 41160), (20580, 30182)]