30982980

素因数分解:

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

素因数の和:1129

約数の個数: 96

約数和(自身を含む): 100638720

約数和(自身を除く): 69655740

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 71, 84, 105, 140, 142, 210, 213, 284, 355, 420, 426, 497, 710, 852, 994, 1039, 1065, 1420, 1491, 1988, 2078, 2130, 2485, 2982, 3117, 4156, 4260, 4970, 5195, 5964, 6234, 7273, 7455, 9940, 10390, 12468, 14546, 14910, 15585, 20780, 21819, 29092, 29820, 31170, 36365, 43638, 62340, 72730, 73769, 87276, 109095, 145460, 147538, 218190, 221307, 295076, 368845, 436380, 442614, 516383, 737690, 885228, 1032766, 1106535, 1475380, 1549149, 2065532, 2213070, 2581915, 3098298, 4426140, 5163830, 6196596, 7745745, 10327660, 15491490, 30982980]

約数ペア:

[(1, 30982980), (2, 15491490), (3, 10327660), (4, 7745745), (5, 6196596), (6, 5163830), (7, 4426140), (10, 3098298), (12, 2581915), (14, 2213070), (15, 2065532), (20, 1549149), (21, 1475380), (28, 1106535), (30, 1032766), (35, 885228), (42, 737690), (60, 516383), (70, 442614), (71, 436380), (84, 368845), (105, 295076), (140, 221307), (142, 218190), (210, 147538), (213, 145460), (284, 109095), (355, 87276), (420, 73769), (426, 72730), (497, 62340), (710, 43638), (852, 36365), (994, 31170), (1039, 29820), (1065, 29092), (1420, 21819), (1491, 20780), (1988, 15585), (2078, 14910), (2130, 14546), (2485, 12468), (2982, 10390), (3117, 9940), (4156, 7455), (4260, 7273), (4970, 6234), (5195, 5964)]