810741760

素因数分解:

$2^{12}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1277}}^1$

素因数の和:1337

約数の個数: 104

約数和(自身を含む): 2009874816

約数和(自身を除く): 1199133056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1024, 1240, 1277, 1280, 1984, 2048, 2480, 2554, 2560, 3968, 4096, 4960, 5108, 5120, 6385, 7936, 9920, 10216, 10240, 12770, 15872, 19840, 20432, 20480, 25540, 31744, 39587, 39680, 40864, 51080, 63488, 79174, 79360, 81728, 102160, 126976, 158348, 158720, 163456, 197935, 204320, 316696, 317440, 326912, 395870, 408640, 633392, 634880, 653824, 791740, 817280, 1266784, 1307648, 1583480, 1634560, 2533568, 2615296, 3166960, 3269120, 5067136, 5230592, 6333920, 6538240, 10134272, 12667840, 13076480, 20268544, 25335680, 26152960, 40537088, 50671360, 81074176, 101342720, 162148352, 202685440, 405370880, 810741760]

約数ペア:

[(1, 810741760), (2, 405370880), (4, 202685440), (5, 162148352), (8, 101342720), (10, 81074176), (16, 50671360), (20, 40537088), (31, 26152960), (32, 25335680), (40, 20268544), (62, 13076480), (64, 12667840), (80, 10134272), (124, 6538240), (128, 6333920), (155, 5230592), (160, 5067136), (248, 3269120), (256, 3166960), (310, 2615296), (320, 2533568), (496, 1634560), (512, 1583480), (620, 1307648), (640, 1266784), (992, 817280), (1024, 791740), (1240, 653824), (1277, 634880), (1280, 633392), (1984, 408640), (2048, 395870), (2480, 326912), (2554, 317440), (2560, 316696), (3968, 204320), (4096, 197935), (4960, 163456), (5108, 158720), (5120, 158348), (6385, 126976), (7936, 102160), (9920, 81728), (10216, 79360), (10240, 79174), (12770, 63488), (15872, 51080), (19840, 40864), (20432, 39680), (20480, 39587), (25540, 31744)]