20796750

素因数分解:

$2^1\times 3^4\times 5^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1$

素因数の和:121

約数の個数: 160

約数和(自身を含む): 63423360

約数和(自身を除く): 42626610

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 27, 30, 39, 45, 50, 54, 65, 75, 78, 79, 81, 90, 117, 125, 130, 135, 150, 158, 162, 195, 225, 234, 237, 250, 270, 325, 351, 375, 390, 395, 405, 450, 474, 585, 650, 675, 702, 711, 750, 790, 810, 975, 1027, 1053, 1125, 1170, 1185, 1350, 1422, 1625, 1755, 1950, 1975, 2025, 2054, 2106, 2133, 2250, 2370, 2925, 3081, 3250, 3375, 3510, 3555, 3950, 4050, 4266, 4875, 5135, 5265, 5850, 5925, 6162, 6399, 6750, 7110, 8775, 9243, 9750, 9875, 10125, 10270, 10530, 10665, 11850, 12798, 14625, 15405, 17550, 17775, 18486, 19750, 20250, 21330, 25675, 26325, 27729, 29250, 29625, 30810, 31995, 35550, 43875, 46215, 51350, 52650, 53325, 55458, 59250, 63990, 77025, 83187, 87750, 88875, 92430, 106650, 128375, 131625, 138645, 154050, 159975, 166374, 177750, 231075, 256750, 263250, 266625, 277290, 319950, 385125, 415935, 462150, 533250, 693225, 770250, 799875, 831870, 1155375, 1386450, 1599750, 2079675, 2310750, 3466125, 4159350, 6932250, 10398375, 20796750]

約数ペア:

[(1, 20796750), (2, 10398375), (3, 6932250), (5, 4159350), (6, 3466125), (9, 2310750), (10, 2079675), (13, 1599750), (15, 1386450), (18, 1155375), (25, 831870), (26, 799875), (27, 770250), (30, 693225), (39, 533250), (45, 462150), (50, 415935), (54, 385125), (65, 319950), (75, 277290), (78, 266625), (79, 263250), (81, 256750), (90, 231075), (117, 177750), (125, 166374), (130, 159975), (135, 154050), (150, 138645), (158, 131625), (162, 128375), (195, 106650), (225, 92430), (234, 88875), (237, 87750), (250, 83187), (270, 77025), (325, 63990), (351, 59250), (375, 55458), (390, 53325), (395, 52650), (405, 51350), (450, 46215), (474, 43875), (585, 35550), (650, 31995), (675, 30810), (702, 29625), (711, 29250), (750, 27729), (790, 26325), (810, 25675), (975, 21330), (1027, 20250), (1053, 19750), (1125, 18486), (1170, 17775), (1185, 17550), (1350, 15405), (1422, 14625), (1625, 12798), (1755, 11850), (1950, 10665), (1975, 10530), (2025, 10270), (2054, 10125), (2106, 9875), (2133, 9750), (2250, 9243), (2370, 8775), (2925, 7110), (3081, 6750), (3250, 6399), (3375, 6162), (3510, 5925), (3555, 5850), (3950, 5265), (4050, 5135), (4266, 4875)]