66688020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{7561}}^1$

素因数の和:7590

約数の個数: 108

約数和(自身を含む): 235344564

約数和(自身を除く): 168656544

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 7561, 8820, 15122, 22683, 30244, 37805, 45366, 52927, 68049, 75610, 90732, 105854, 113415, 136098, 151220, 158781, 211708, 226830, 264635, 272196, 317562, 340245, 370489, 453660, 476343, 529270, 635124, 680490, 740978, 793905, 952686, 1058540, 1111467, 1360980, 1481956, 1587810, 1852445, 1905372, 2222934, 2381715, 3175620, 3334401, 3704890, 4445868, 4763430, 5557335, 6668802, 7409780, 9526860, 11114670, 13337604, 16672005, 22229340, 33344010, 66688020]

約数ペア:

[(1, 66688020), (2, 33344010), (3, 22229340), (4, 16672005), (5, 13337604), (6, 11114670), (7, 9526860), (9, 7409780), (10, 6668802), (12, 5557335), (14, 4763430), (15, 4445868), (18, 3704890), (20, 3334401), (21, 3175620), (28, 2381715), (30, 2222934), (35, 1905372), (36, 1852445), (42, 1587810), (45, 1481956), (49, 1360980), (60, 1111467), (63, 1058540), (70, 952686), (84, 793905), (90, 740978), (98, 680490), (105, 635124), (126, 529270), (140, 476343), (147, 453660), (180, 370489), (196, 340245), (210, 317562), (245, 272196), (252, 264635), (294, 226830), (315, 211708), (420, 158781), (441, 151220), (490, 136098), (588, 113415), (630, 105854), (735, 90732), (882, 75610), (980, 68049), (1260, 52927), (1470, 45366), (1764, 37805), (2205, 30244), (2940, 22683), (4410, 15122), (7561, 8820)]