807646720

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10177}}^1$

素因数の和:10231

約数の個数: 80

約数和(自身を含む): 1999122048

約数和(自身を除く): 1191475328

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, 1240, 1280, 1984, 2480, 2560, 3968, 4960, 7936, 9920, 10177, 15872, 19840, 20354, 39680, 40708, 50885, 79360, 81416, 101770, 162832, 203540, 315487, 325664, 407080, 630974, 651328, 814160, 1261948, 1302656, 1577435, 1628320, 2523896, 2605312, 3154870, 3256640, 5047792, 5210624, 6309740, 6513280, 10095584, 12619480, 13026560, 20191168, 25238960, 26053120, 40382336, 50477920, 80764672, 100955840, 161529344, 201911680, 403823360, 807646720]

約数ペア:

[(1, 807646720), (2, 403823360), (4, 201911680), (5, 161529344), (8, 100955840), (10, 80764672), (16, 50477920), (20, 40382336), (31, 26053120), (32, 25238960), (40, 20191168), (62, 13026560), (64, 12619480), (80, 10095584), (124, 6513280), (128, 6309740), (155, 5210624), (160, 5047792), (248, 3256640), (256, 3154870), (310, 2605312), (320, 2523896), (496, 1628320), (512, 1577435), (620, 1302656), (640, 1261948), (992, 814160), (1240, 651328), (1280, 630974), (1984, 407080), (2480, 325664), (2560, 315487), (3968, 203540), (4960, 162832), (7936, 101770), (9920, 81416), (10177, 79360), (15872, 50885), (19840, 40708), (20354, 39680)]