345870

素因数分解:

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

素因数の和:87

約数の個数: 80

約数和(自身を含む): 1080288

約数和(自身を除く): 734418

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 61, 63, 70, 81, 90, 105, 122, 126, 135, 162, 183, 189, 210, 270, 305, 315, 366, 378, 405, 427, 549, 567, 610, 630, 810, 854, 915, 945, 1098, 1134, 1281, 1647, 1830, 1890, 2135, 2562, 2745, 2835, 3294, 3843, 4270, 4941, 5490, 5670, 6405, 7686, 8235, 9882, 11529, 12810, 16470, 19215, 23058, 24705, 34587, 38430, 49410, 57645, 69174, 115290, 172935, 345870]

約数ペア:

[(1, 345870), (2, 172935), (3, 115290), (5, 69174), (6, 57645), (7, 49410), (9, 38430), (10, 34587), (14, 24705), (15, 23058), (18, 19215), (21, 16470), (27, 12810), (30, 11529), (35, 9882), (42, 8235), (45, 7686), (54, 6405), (61, 5670), (63, 5490), (70, 4941), (81, 4270), (90, 3843), (105, 3294), (122, 2835), (126, 2745), (135, 2562), (162, 2135), (183, 1890), (189, 1830), (210, 1647), (270, 1281), (305, 1134), (315, 1098), (366, 945), (378, 915), (405, 854), (427, 810), (549, 630), (567, 610)]