13281240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{163}}^1$

素因数の和:281

約数の個数: 128

約数和(自身を含む): 46287360

約数和(自身を除く): 33006120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 97, 105, 120, 140, 163, 168, 194, 210, 280, 291, 326, 388, 420, 485, 489, 582, 652, 679, 776, 815, 840, 970, 978, 1141, 1164, 1304, 1358, 1455, 1630, 1940, 1956, 2037, 2282, 2328, 2445, 2716, 2910, 3260, 3395, 3423, 3880, 3912, 4074, 4564, 4890, 5432, 5705, 5820, 6520, 6790, 6846, 8148, 9128, 9780, 10185, 11410, 11640, 13580, 13692, 15811, 16296, 17115, 19560, 20370, 22820, 27160, 27384, 31622, 34230, 40740, 45640, 47433, 63244, 68460, 79055, 81480, 94866, 110677, 126488, 136920, 158110, 189732, 221354, 237165, 316220, 332031, 379464, 442708, 474330, 553385, 632440, 664062, 885416, 948660, 1106770, 1328124, 1660155, 1897320, 2213540, 2656248, 3320310, 4427080, 6640620, 13281240]

約数ペア:

[(1, 13281240), (2, 6640620), (3, 4427080), (4, 3320310), (5, 2656248), (6, 2213540), (7, 1897320), (8, 1660155), (10, 1328124), (12, 1106770), (14, 948660), (15, 885416), (20, 664062), (21, 632440), (24, 553385), (28, 474330), (30, 442708), (35, 379464), (40, 332031), (42, 316220), (56, 237165), (60, 221354), (70, 189732), (84, 158110), (97, 136920), (105, 126488), (120, 110677), (140, 94866), (163, 81480), (168, 79055), (194, 68460), (210, 63244), (280, 47433), (291, 45640), (326, 40740), (388, 34230), (420, 31622), (485, 27384), (489, 27160), (582, 22820), (652, 20370), (679, 19560), (776, 17115), (815, 16296), (840, 15811), (970, 13692), (978, 13580), (1141, 11640), (1164, 11410), (1304, 10185), (1358, 9780), (1455, 9128), (1630, 8148), (1940, 6846), (1956, 6790), (2037, 6520), (2282, 5820), (2328, 5705), (2445, 5432), (2716, 4890), (2910, 4564), (3260, 4074), (3395, 3912), (3423, 3880)]