351540

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{31}}^1$

素因数の和:59

約数の個数: 120

約数和(自身を含む): 1300992

約数和(自身を除く): 949452

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 31, 35, 36, 42, 45, 54, 60, 62, 63, 70, 81, 84, 90, 93, 105, 108, 124, 126, 135, 140, 155, 162, 180, 186, 189, 210, 217, 252, 270, 279, 310, 315, 324, 372, 378, 405, 420, 434, 465, 540, 558, 567, 620, 630, 651, 756, 810, 837, 868, 930, 945, 1085, 1116, 1134, 1260, 1302, 1395, 1620, 1674, 1860, 1890, 1953, 2170, 2268, 2511, 2604, 2790, 2835, 3255, 3348, 3780, 3906, 4185, 4340, 5022, 5580, 5670, 5859, 6510, 7812, 8370, 9765, 10044, 11340, 11718, 12555, 13020, 16740, 17577, 19530, 23436, 25110, 29295, 35154, 39060, 50220, 58590, 70308, 87885, 117180, 175770, 351540]

約数ペア:

[(1, 351540), (2, 175770), (3, 117180), (4, 87885), (5, 70308), (6, 58590), (7, 50220), (9, 39060), (10, 35154), (12, 29295), (14, 25110), (15, 23436), (18, 19530), (20, 17577), (21, 16740), (27, 13020), (28, 12555), (30, 11718), (31, 11340), (35, 10044), (36, 9765), (42, 8370), (45, 7812), (54, 6510), (60, 5859), (62, 5670), (63, 5580), (70, 5022), (81, 4340), (84, 4185), (90, 3906), (93, 3780), (105, 3348), (108, 3255), (124, 2835), (126, 2790), (135, 2604), (140, 2511), (155, 2268), (162, 2170), (180, 1953), (186, 1890), (189, 1860), (210, 1674), (217, 1620), (252, 1395), (270, 1302), (279, 1260), (310, 1134), (315, 1116), (324, 1085), (372, 945), (378, 930), (405, 868), (420, 837), (434, 810), (465, 756), (540, 651), (558, 630), (567, 620)]