691740

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{61}}^1$

素因数の和:89

約数の個数: 120

約数和(自身を含む): 2520672

約数和(自身を除く): 1828932

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 61, 63, 70, 81, 84, 90, 105, 108, 122, 126, 135, 140, 162, 180, 183, 189, 210, 244, 252, 270, 305, 315, 324, 366, 378, 405, 420, 427, 540, 549, 567, 610, 630, 732, 756, 810, 854, 915, 945, 1098, 1134, 1220, 1260, 1281, 1620, 1647, 1708, 1830, 1890, 2135, 2196, 2268, 2562, 2745, 2835, 3294, 3660, 3780, 3843, 4270, 4941, 5124, 5490, 5670, 6405, 6588, 7686, 8235, 8540, 9882, 10980, 11340, 11529, 12810, 15372, 16470, 19215, 19764, 23058, 24705, 25620, 32940, 34587, 38430, 46116, 49410, 57645, 69174, 76860, 98820, 115290, 138348, 172935, 230580, 345870, 691740]

約数ペア:

[(1, 691740), (2, 345870), (3, 230580), (4, 172935), (5, 138348), (6, 115290), (7, 98820), (9, 76860), (10, 69174), (12, 57645), (14, 49410), (15, 46116), (18, 38430), (20, 34587), (21, 32940), (27, 25620), (28, 24705), (30, 23058), (35, 19764), (36, 19215), (42, 16470), (45, 15372), (54, 12810), (60, 11529), (61, 11340), (63, 10980), (70, 9882), (81, 8540), (84, 8235), (90, 7686), (105, 6588), (108, 6405), (122, 5670), (126, 5490), (135, 5124), (140, 4941), (162, 4270), (180, 3843), (183, 3780), (189, 3660), (210, 3294), (244, 2835), (252, 2745), (270, 2562), (305, 2268), (315, 2196), (324, 2135), (366, 1890), (378, 1830), (405, 1708), (420, 1647), (427, 1620), (540, 1281), (549, 1260), (567, 1220), (610, 1134), (630, 1098), (732, 945), (756, 915), (810, 854)]