538020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{61}}^1$

素因数の和:90

約数の個数: 108

約数和(自身を含む): 1929564

約数和(自身を除く): 1391544

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, 61, 63, 70, 84, 90, 98, 105, 122, 126, 140, 147, 180, 183, 196, 210, 244, 245, 252, 294, 305, 315, 366, 420, 427, 441, 490, 549, 588, 610, 630, 732, 735, 854, 882, 915, 980, 1098, 1220, 1260, 1281, 1470, 1708, 1764, 1830, 2135, 2196, 2205, 2562, 2745, 2940, 2989, 3660, 3843, 4270, 4410, 5124, 5490, 5978, 6405, 7686, 8540, 8820, 8967, 10980, 11956, 12810, 14945, 15372, 17934, 19215, 25620, 26901, 29890, 35868, 38430, 44835, 53802, 59780, 76860, 89670, 107604, 134505, 179340, 269010, 538020]

約数ペア:

[(1, 538020), (2, 269010), (3, 179340), (4, 134505), (5, 107604), (6, 89670), (7, 76860), (9, 59780), (10, 53802), (12, 44835), (14, 38430), (15, 35868), (18, 29890), (20, 26901), (21, 25620), (28, 19215), (30, 17934), (35, 15372), (36, 14945), (42, 12810), (45, 11956), (49, 10980), (60, 8967), (61, 8820), (63, 8540), (70, 7686), (84, 6405), (90, 5978), (98, 5490), (105, 5124), (122, 4410), (126, 4270), (140, 3843), (147, 3660), (180, 2989), (183, 2940), (196, 2745), (210, 2562), (244, 2205), (245, 2196), (252, 2135), (294, 1830), (305, 1764), (315, 1708), (366, 1470), (420, 1281), (427, 1260), (441, 1220), (490, 1098), (549, 980), (588, 915), (610, 882), (630, 854), (732, 735)]