20128777380760

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{1721}}^1\times {\mathrm{89119}}^1$

素因数の和:91061

約数の個数: 128

約数和(自身を含む): 48230867059200

約数和(自身を除く): 28102089678440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 193, 340, 386, 680, 772, 965, 1544, 1721, 1930, 3281, 3442, 3860, 6562, 6884, 7720, 8605, 13124, 13768, 16405, 17210, 26248, 29257, 32810, 34420, 58514, 65620, 68840, 89119, 117028, 131240, 146285, 178238, 234056, 292570, 332153, 356476, 445595, 585140, 664306, 712952, 891190, 1170280, 1328612, 1515023, 1660765, 1782380, 2657224, 3030046, 3321530, 3564760, 5646601, 6060092, 6643060, 7575115, 11293202, 12120184, 13286120, 15150230, 17199967, 22586404, 28233005, 30300460, 34399934, 45172808, 56466010, 60600920, 68799868, 85999835, 112932020, 137599736, 153373799, 171999670, 225864040, 292399439, 306747598, 343999340, 584798878, 613495196, 687998680, 766868995, 1169597756, 1226990392, 1461997195, 1533737990, 2339195512, 2607354583, 2923994390, 3067475980, 5214709166, 5847988780, 6134951960, 10429418332, 11695977560, 13036772915, 20858836664, 26073545830, 29601143207, 52147091660, 59202286414, 104294183320, 118404572828, 148005716035, 236809145656, 296011432070, 503219434519, 592022864140, 1006438869038, 1184045728280, 2012877738076, 2516097172595, 4025755476152, 5032194345190, 10064388690380, 20128777380760]

約数ペア:

[(1, 20128777380760), (2, 10064388690380), (4, 5032194345190), (5, 4025755476152), (8, 2516097172595), (10, 2012877738076), (17, 1184045728280), (20, 1006438869038), (34, 592022864140), (40, 503219434519), (68, 296011432070), (85, 236809145656), (136, 148005716035), (170, 118404572828), (193, 104294183320), (340, 59202286414), (386, 52147091660), (680, 29601143207), (772, 26073545830), (965, 20858836664), (1544, 13036772915), (1721, 11695977560), (1930, 10429418332), (3281, 6134951960), (3442, 5847988780), (3860, 5214709166), (6562, 3067475980), (6884, 2923994390), (7720, 2607354583), (8605, 2339195512), (13124, 1533737990), (13768, 1461997195), (16405, 1226990392), (17210, 1169597756), (26248, 766868995), (29257, 687998680), (32810, 613495196), (34420, 584798878), (58514, 343999340), (65620, 306747598), (68840, 292399439), (89119, 225864040), (117028, 171999670), (131240, 153373799), (146285, 137599736), (178238, 112932020), (234056, 85999835), (292570, 68799868), (332153, 60600920), (356476, 56466010), (445595, 45172808), (585140, 34399934), (664306, 30300460), (712952, 28233005), (891190, 22586404), (1170280, 17199967), (1328612, 15150230), (1515023, 13286120), (1660765, 12120184), (1782380, 11293202), (2657224, 7575115), (3030046, 6643060), (3321530, 6060092), (3564760, 5646601)]