15274980

素因数分解:

$2^2\times 3^5\times 5^1\times 7^1\times {\mathrm{449}}^1$

素因数の和:480

約数の個数: 144

約数和(自身を含む): 55036800

約数和(自身を除く): 39761820

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, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 243, 252, 270, 315, 324, 378, 405, 420, 449, 486, 540, 567, 630, 756, 810, 898, 945, 972, 1134, 1215, 1260, 1347, 1620, 1701, 1796, 1890, 2245, 2268, 2430, 2694, 2835, 3143, 3402, 3780, 4041, 4490, 4860, 5388, 5670, 6286, 6735, 6804, 8082, 8505, 8980, 9429, 11340, 12123, 12572, 13470, 15715, 16164, 17010, 18858, 20205, 24246, 26940, 28287, 31430, 34020, 36369, 37716, 40410, 47145, 48492, 56574, 60615, 62860, 72738, 80820, 84861, 94290, 109107, 113148, 121230, 141435, 145476, 169722, 181845, 188580, 218214, 242460, 254583, 282870, 339444, 363690, 424305, 436428, 509166, 545535, 565740, 727380, 763749, 848610, 1018332, 1091070, 1272915, 1527498, 1697220, 2182140, 2545830, 3054996, 3818745, 5091660, 7637490, 15274980]

約数ペア:

[(1, 15274980), (2, 7637490), (3, 5091660), (4, 3818745), (5, 3054996), (6, 2545830), (7, 2182140), (9, 1697220), (10, 1527498), (12, 1272915), (14, 1091070), (15, 1018332), (18, 848610), (20, 763749), (21, 727380), (27, 565740), (28, 545535), (30, 509166), (35, 436428), (36, 424305), (42, 363690), (45, 339444), (54, 282870), (60, 254583), (63, 242460), (70, 218214), (81, 188580), (84, 181845), (90, 169722), (105, 145476), (108, 141435), (126, 121230), (135, 113148), (140, 109107), (162, 94290), (180, 84861), (189, 80820), (210, 72738), (243, 62860), (252, 60615), (270, 56574), (315, 48492), (324, 47145), (378, 40410), (405, 37716), (420, 36369), (449, 34020), (486, 31430), (540, 28287), (567, 26940), (630, 24246), (756, 20205), (810, 18858), (898, 17010), (945, 16164), (972, 15715), (1134, 13470), (1215, 12572), (1260, 12123), (1347, 11340), (1620, 9429), (1701, 8980), (1796, 8505), (1890, 8082), (2245, 6804), (2268, 6735), (2430, 6286), (2694, 5670), (2835, 5388), (3143, 4860), (3402, 4490), (3780, 4041)]