78710720

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{379}}^1$

素因数の和:466

約数の個数: 112

約数和(自身を含む): 208483200

約数和(自身を除く): 129772480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 59, 64, 80, 88, 110, 118, 160, 176, 220, 236, 295, 320, 352, 379, 440, 472, 590, 649, 704, 758, 880, 944, 1180, 1298, 1516, 1760, 1888, 1895, 2360, 2596, 3032, 3245, 3520, 3776, 3790, 4169, 4720, 5192, 6064, 6490, 7580, 8338, 9440, 10384, 12128, 12980, 15160, 16676, 18880, 20768, 20845, 22361, 24256, 25960, 30320, 33352, 41536, 41690, 44722, 51920, 60640, 66704, 83380, 89444, 103840, 111805, 121280, 133408, 166760, 178888, 207680, 223610, 245971, 266816, 333520, 357776, 447220, 491942, 667040, 715552, 894440, 983884, 1229855, 1334080, 1431104, 1788880, 1967768, 2459710, 3577760, 3935536, 4919420, 7155520, 7871072, 9838840, 15742144, 19677680, 39355360, 78710720]

約数ペア:

[(1, 78710720), (2, 39355360), (4, 19677680), (5, 15742144), (8, 9838840), (10, 7871072), (11, 7155520), (16, 4919420), (20, 3935536), (22, 3577760), (32, 2459710), (40, 1967768), (44, 1788880), (55, 1431104), (59, 1334080), (64, 1229855), (80, 983884), (88, 894440), (110, 715552), (118, 667040), (160, 491942), (176, 447220), (220, 357776), (236, 333520), (295, 266816), (320, 245971), (352, 223610), (379, 207680), (440, 178888), (472, 166760), (590, 133408), (649, 121280), (704, 111805), (758, 103840), (880, 89444), (944, 83380), (1180, 66704), (1298, 60640), (1516, 51920), (1760, 44722), (1888, 41690), (1895, 41536), (2360, 33352), (2596, 30320), (3032, 25960), (3245, 24256), (3520, 22361), (3776, 20845), (3790, 20768), (4169, 18880), (4720, 16676), (5192, 15160), (6064, 12980), (6490, 12128), (7580, 10384), (8338, 9440)]