28360020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{353}}^1$

素因数の和:481

約数の個数: 96

約数和(自身を含む): 86591232

約数和(自身を除く): 58231212

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 103, 130, 156, 195, 206, 260, 309, 353, 390, 412, 515, 618, 706, 780, 1030, 1059, 1236, 1339, 1412, 1545, 1765, 2060, 2118, 2678, 3090, 3530, 4017, 4236, 4589, 5295, 5356, 6180, 6695, 7060, 8034, 9178, 10590, 13390, 13767, 16068, 18356, 20085, 21180, 22945, 26780, 27534, 36359, 40170, 45890, 55068, 68835, 72718, 80340, 91780, 109077, 137670, 145436, 181795, 218154, 275340, 363590, 436308, 472667, 545385, 727180, 945334, 1090770, 1418001, 1890668, 2181540, 2363335, 2836002, 4726670, 5672004, 7090005, 9453340, 14180010, 28360020]

約数ペア:

[(1, 28360020), (2, 14180010), (3, 9453340), (4, 7090005), (5, 5672004), (6, 4726670), (10, 2836002), (12, 2363335), (13, 2181540), (15, 1890668), (20, 1418001), (26, 1090770), (30, 945334), (39, 727180), (52, 545385), (60, 472667), (65, 436308), (78, 363590), (103, 275340), (130, 218154), (156, 181795), (195, 145436), (206, 137670), (260, 109077), (309, 91780), (353, 80340), (390, 72718), (412, 68835), (515, 55068), (618, 45890), (706, 40170), (780, 36359), (1030, 27534), (1059, 26780), (1236, 22945), (1339, 21180), (1412, 20085), (1545, 18356), (1765, 16068), (2060, 13767), (2118, 13390), (2678, 10590), (3090, 9178), (3530, 8034), (4017, 7060), (4236, 6695), (4589, 6180), (5295, 5356)]