13015240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:131

約数の個数: 128

約数和(自身を含む): 36495360

約数和(自身を除く): 23480120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 43, 46, 47, 56, 70, 86, 92, 94, 115, 140, 161, 172, 184, 188, 215, 230, 235, 280, 301, 322, 329, 344, 376, 430, 460, 470, 602, 644, 658, 805, 860, 920, 940, 989, 1081, 1204, 1288, 1316, 1505, 1610, 1645, 1720, 1880, 1978, 2021, 2162, 2408, 2632, 3010, 3220, 3290, 3956, 4042, 4324, 4945, 5405, 6020, 6440, 6580, 6923, 7567, 7912, 8084, 8648, 9890, 10105, 10810, 12040, 13160, 13846, 14147, 15134, 16168, 19780, 20210, 21620, 27692, 28294, 30268, 34615, 37835, 39560, 40420, 43240, 46483, 55384, 56588, 60536, 69230, 70735, 75670, 80840, 92966, 113176, 138460, 141470, 151340, 185932, 232415, 276920, 282940, 302680, 325381, 371864, 464830, 565880, 650762, 929660, 1301524, 1626905, 1859320, 2603048, 3253810, 6507620, 13015240]

約数ペア:

[(1, 13015240), (2, 6507620), (4, 3253810), (5, 2603048), (7, 1859320), (8, 1626905), (10, 1301524), (14, 929660), (20, 650762), (23, 565880), (28, 464830), (35, 371864), (40, 325381), (43, 302680), (46, 282940), (47, 276920), (56, 232415), (70, 185932), (86, 151340), (92, 141470), (94, 138460), (115, 113176), (140, 92966), (161, 80840), (172, 75670), (184, 70735), (188, 69230), (215, 60536), (230, 56588), (235, 55384), (280, 46483), (301, 43240), (322, 40420), (329, 39560), (344, 37835), (376, 34615), (430, 30268), (460, 28294), (470, 27692), (602, 21620), (644, 20210), (658, 19780), (805, 16168), (860, 15134), (920, 14147), (940, 13846), (989, 13160), (1081, 12040), (1204, 10810), (1288, 10105), (1316, 9890), (1505, 8648), (1610, 8084), (1645, 7912), (1720, 7567), (1880, 6923), (1978, 6580), (2021, 6440), (2162, 6020), (2408, 5405), (2632, 4945), (3010, 4324), (3220, 4042), (3290, 3956)]