1999489320

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97441}}^1$

素因数の和:97480

約数の個数: 128

約数和(自身を含む): 7015824000

約数和(自身を除く): 5016334680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 456, 513, 540, 570, 684, 760, 855, 1026, 1080, 1140, 1368, 1710, 2052, 2280, 2565, 3420, 4104, 5130, 6840, 10260, 20520, 97441, 194882, 292323, 389764, 487205, 584646, 779528, 876969, 974410, 1169292, 1461615, 1753938, 1851379, 1948820, 2338584, 2630907, 2923230, 3507876, 3702758, 3897640, 4384845, 5261814, 5554137, 5846460, 7015752, 7405516, 8769690, 9256895, 10523628, 11108274, 11692920, 13154535, 14811032, 16662411, 17539380, 18513790, 21047256, 22216548, 26309070, 27770685, 33324822, 35078760, 37027580, 44433096, 49987233, 52618140, 55541370, 66649644, 74055160, 83312055, 99974466, 105236280, 111082740, 133299288, 166624110, 199948932, 222165480, 249936165, 333248220, 399897864, 499872330, 666496440, 999744660, 1999489320]

約数ペア:

[(1, 1999489320), (2, 999744660), (3, 666496440), (4, 499872330), (5, 399897864), (6, 333248220), (8, 249936165), (9, 222165480), (10, 199948932), (12, 166624110), (15, 133299288), (18, 111082740), (19, 105236280), (20, 99974466), (24, 83312055), (27, 74055160), (30, 66649644), (36, 55541370), (38, 52618140), (40, 49987233), (45, 44433096), (54, 37027580), (57, 35078760), (60, 33324822), (72, 27770685), (76, 26309070), (90, 22216548), (95, 21047256), (108, 18513790), (114, 17539380), (120, 16662411), (135, 14811032), (152, 13154535), (171, 11692920), (180, 11108274), (190, 10523628), (216, 9256895), (228, 8769690), (270, 7405516), (285, 7015752), (342, 5846460), (360, 5554137), (380, 5261814), (456, 4384845), (513, 3897640), (540, 3702758), (570, 3507876), (684, 2923230), (760, 2630907), (855, 2338584), (1026, 1948820), (1080, 1851379), (1140, 1753938), (1368, 1461615), (1710, 1169292), (2052, 974410), (2280, 876969), (2565, 779528), (3420, 584646), (4104, 487205), (5130, 389764), (6840, 292323), (10260, 194882), (20520, 97441)]