31136280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{367}}^1$

素因数の和:489

約数の個数: 128

約数和(自身を含む): 108103680

約数和(自身を除く): 76967400

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, 101, 105, 120, 140, 168, 202, 210, 280, 303, 367, 404, 420, 505, 606, 707, 734, 808, 840, 1010, 1101, 1212, 1414, 1468, 1515, 1835, 2020, 2121, 2202, 2424, 2569, 2828, 2936, 3030, 3535, 3670, 4040, 4242, 4404, 5138, 5505, 5656, 6060, 7070, 7340, 7707, 8484, 8808, 10276, 10605, 11010, 12120, 12845, 14140, 14680, 15414, 16968, 20552, 21210, 22020, 25690, 28280, 30828, 37067, 38535, 42420, 44040, 51380, 61656, 74134, 77070, 84840, 102760, 111201, 148268, 154140, 185335, 222402, 259469, 296536, 308280, 370670, 444804, 518938, 556005, 741340, 778407, 889608, 1037876, 1112010, 1297345, 1482680, 1556814, 2075752, 2224020, 2594690, 3113628, 3892035, 4448040, 5189380, 6227256, 7784070, 10378760, 15568140, 31136280]

約数ペア:

[(1, 31136280), (2, 15568140), (3, 10378760), (4, 7784070), (5, 6227256), (6, 5189380), (7, 4448040), (8, 3892035), (10, 3113628), (12, 2594690), (14, 2224020), (15, 2075752), (20, 1556814), (21, 1482680), (24, 1297345), (28, 1112010), (30, 1037876), (35, 889608), (40, 778407), (42, 741340), (56, 556005), (60, 518938), (70, 444804), (84, 370670), (101, 308280), (105, 296536), (120, 259469), (140, 222402), (168, 185335), (202, 154140), (210, 148268), (280, 111201), (303, 102760), (367, 84840), (404, 77070), (420, 74134), (505, 61656), (606, 51380), (707, 44040), (734, 42420), (808, 38535), (840, 37067), (1010, 30828), (1101, 28280), (1212, 25690), (1414, 22020), (1468, 21210), (1515, 20552), (1835, 16968), (2020, 15414), (2121, 14680), (2202, 14140), (2424, 12845), (2569, 12120), (2828, 11010), (2936, 10605), (3030, 10276), (3535, 8808), (3670, 8484), (4040, 7707), (4242, 7340), (4404, 7070), (5138, 6060), (5505, 5656)]