31257870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{2039}}^1$

素因数の和:2129

約数の個数: 64

約数和(自身を含む): 86952960

約数和(自身を除く): 55695090

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 73, 105, 146, 210, 219, 365, 438, 511, 730, 1022, 1095, 1533, 2039, 2190, 2555, 3066, 4078, 5110, 6117, 7665, 10195, 12234, 14273, 15330, 20390, 28546, 30585, 42819, 61170, 71365, 85638, 142730, 148847, 214095, 297694, 428190, 446541, 744235, 893082, 1041929, 1488470, 2083858, 2232705, 3125787, 4465410, 5209645, 6251574, 10419290, 15628935, 31257870]

約数ペア:

[(1, 31257870), (2, 15628935), (3, 10419290), (5, 6251574), (6, 5209645), (7, 4465410), (10, 3125787), (14, 2232705), (15, 2083858), (21, 1488470), (30, 1041929), (35, 893082), (42, 744235), (70, 446541), (73, 428190), (105, 297694), (146, 214095), (210, 148847), (219, 142730), (365, 85638), (438, 71365), (511, 61170), (730, 42819), (1022, 30585), (1095, 28546), (1533, 20390), (2039, 15330), (2190, 14273), (2555, 12234), (3066, 10195), (4078, 7665), (5110, 6117)]