644915310

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{811}}^1\times {\mathrm{2039}}^1$

素因数の和:2873

約数の個数: 64

約数和(自身を含む): 1669731840

約数和(自身を除く): 1024816530

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 811, 1622, 2039, 2433, 4055, 4078, 4866, 6117, 8110, 10195, 10543, 12165, 12234, 20390, 21086, 24330, 26507, 30585, 31629, 52715, 53014, 61170, 63258, 79521, 105430, 132535, 158145, 159042, 265070, 316290, 397605, 795210, 1653629, 3307258, 4960887, 8268145, 9921774, 16536290, 21497177, 24804435, 42994354, 49608870, 64491531, 107485885, 128983062, 214971770, 322457655, 644915310]

約数ペア:

[(1, 644915310), (2, 322457655), (3, 214971770), (5, 128983062), (6, 107485885), (10, 64491531), (13, 49608870), (15, 42994354), (26, 24804435), (30, 21497177), (39, 16536290), (65, 9921774), (78, 8268145), (130, 4960887), (195, 3307258), (390, 1653629), (811, 795210), (1622, 397605), (2039, 316290), (2433, 265070), (4055, 159042), (4078, 158145), (4866, 132535), (6117, 105430), (8110, 79521), (10195, 63258), (10543, 61170), (12165, 53014), (12234, 52715), (20390, 31629), (21086, 30585), (24330, 26507)]