15491490

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1039}}^1$

素因数の和:1127

約数の個数: 64

約数和(自身を含む): 43130880

約数和(自身を除く): 27639390

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 71, 105, 142, 210, 213, 355, 426, 497, 710, 994, 1039, 1065, 1491, 2078, 2130, 2485, 2982, 3117, 4970, 5195, 6234, 7273, 7455, 10390, 14546, 14910, 15585, 21819, 31170, 36365, 43638, 72730, 73769, 109095, 147538, 218190, 221307, 368845, 442614, 516383, 737690, 1032766, 1106535, 1549149, 2213070, 2581915, 3098298, 5163830, 7745745, 15491490]

約数ペア:

[(1, 15491490), (2, 7745745), (3, 5163830), (5, 3098298), (6, 2581915), (7, 2213070), (10, 1549149), (14, 1106535), (15, 1032766), (21, 737690), (30, 516383), (35, 442614), (42, 368845), (70, 221307), (71, 218190), (105, 147538), (142, 109095), (210, 73769), (213, 72730), (355, 43638), (426, 36365), (497, 31170), (710, 21819), (994, 15585), (1039, 14910), (1065, 14546), (1491, 10390), (2078, 7455), (2130, 7273), (2485, 6234), (2982, 5195), (3117, 4970)]