644810010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{24677}}^1$

素因数の和:24767

約数の個数: 64

約数和(自身を含む): 1691528832

約数和(自身を除く): 1046718822

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 67, 78, 130, 134, 195, 201, 335, 390, 402, 670, 871, 1005, 1742, 2010, 2613, 4355, 5226, 8710, 13065, 24677, 26130, 49354, 74031, 123385, 148062, 246770, 320801, 370155, 641602, 740310, 962403, 1604005, 1653359, 1924806, 3208010, 3306718, 4812015, 4960077, 8266795, 9624030, 9920154, 16533590, 21493667, 24800385, 42987334, 49600770, 64481001, 107468335, 128962002, 214936670, 322405005, 644810010]

約数ペア:

[(1, 644810010), (2, 322405005), (3, 214936670), (5, 128962002), (6, 107468335), (10, 64481001), (13, 49600770), (15, 42987334), (26, 24800385), (30, 21493667), (39, 16533590), (65, 9920154), (67, 9624030), (78, 8266795), (130, 4960077), (134, 4812015), (195, 3306718), (201, 3208010), (335, 1924806), (390, 1653359), (402, 1604005), (670, 962403), (871, 740310), (1005, 641602), (1742, 370155), (2010, 320801), (2613, 246770), (4355, 148062), (5226, 123385), (8710, 74031), (13065, 49354), (24677, 26130)]