1680301980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{5189}}^1$

素因数の和:5468

約数の個数: 144

約数和(自身を含む): 5848839360

約数和(自身を除く): 4168537380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 257, 315, 420, 514, 630, 771, 1028, 1260, 1285, 1542, 1799, 2313, 2570, 3084, 3598, 3855, 4626, 5140, 5189, 5397, 7196, 7710, 8995, 9252, 10378, 10794, 11565, 15420, 15567, 16191, 17990, 20756, 21588, 23130, 25945, 26985, 31134, 32382, 35980, 36323, 46260, 46701, 51890, 53970, 62268, 64764, 72646, 77835, 80955, 93402, 103780, 107940, 108969, 145292, 155670, 161910, 181615, 186804, 217938, 233505, 311340, 323820, 326907, 363230, 435876, 467010, 544845, 653814, 726460, 934020, 1089690, 1307628, 1333573, 1634535, 2179380, 2667146, 3269070, 4000719, 5334292, 6538140, 6667865, 8001438, 9335011, 12002157, 13335730, 16002876, 18670022, 20003595, 24004314, 26671460, 28005033, 37340044, 40007190, 46675055, 48008628, 56010066, 60010785, 80014380, 84015099, 93350110, 112020132, 120021570, 140025165, 168030198, 186700220, 240043140, 280050330, 336060396, 420075495, 560100660, 840150990, 1680301980]

約数ペア:

[(1, 1680301980), (2, 840150990), (3, 560100660), (4, 420075495), (5, 336060396), (6, 280050330), (7, 240043140), (9, 186700220), (10, 168030198), (12, 140025165), (14, 120021570), (15, 112020132), (18, 93350110), (20, 84015099), (21, 80014380), (28, 60010785), (30, 56010066), (35, 48008628), (36, 46675055), (42, 40007190), (45, 37340044), (60, 28005033), (63, 26671460), (70, 24004314), (84, 20003595), (90, 18670022), (105, 16002876), (126, 13335730), (140, 12002157), (180, 9335011), (210, 8001438), (252, 6667865), (257, 6538140), (315, 5334292), (420, 4000719), (514, 3269070), (630, 2667146), (771, 2179380), (1028, 1634535), (1260, 1333573), (1285, 1307628), (1542, 1089690), (1799, 934020), (2313, 726460), (2570, 653814), (3084, 544845), (3598, 467010), (3855, 435876), (4626, 363230), (5140, 326907), (5189, 323820), (5397, 311340), (7196, 233505), (7710, 217938), (8995, 186804), (9252, 181615), (10378, 161910), (10794, 155670), (11565, 145292), (15420, 108969), (15567, 107940), (16191, 103780), (17990, 93402), (20756, 80955), (21588, 77835), (23130, 72646), (25945, 64764), (26985, 62268), (31134, 53970), (32382, 51890), (35980, 46701), (36323, 46260)]