133333640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{389}}^1$

素因数の和:471

約数の個数: 128

約数和(自身を含む): 353808000

約数和(自身を除く): 220474360

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 41, 44, 55, 76, 82, 88, 95, 110, 152, 164, 190, 205, 209, 220, 328, 380, 389, 410, 418, 440, 451, 760, 778, 779, 820, 836, 902, 1045, 1556, 1558, 1640, 1672, 1804, 1945, 2090, 2255, 3112, 3116, 3608, 3890, 3895, 4180, 4279, 4510, 6232, 7391, 7780, 7790, 8360, 8558, 8569, 9020, 14782, 15560, 15580, 15949, 17116, 17138, 18040, 21395, 29564, 31160, 31898, 34232, 34276, 36955, 42790, 42845, 59128, 63796, 68552, 73910, 79745, 81301, 85580, 85690, 127592, 147820, 159490, 162602, 171160, 171380, 175439, 295640, 303031, 318980, 325204, 342760, 350878, 406505, 606062, 637960, 650408, 701756, 813010, 877195, 1212124, 1403512, 1515155, 1626020, 1754390, 2424248, 3030310, 3252040, 3333341, 3508780, 6060620, 6666682, 7017560, 12121240, 13333364, 16666705, 26666728, 33333410, 66666820, 133333640]

約数ペア:

[(1, 133333640), (2, 66666820), (4, 33333410), (5, 26666728), (8, 16666705), (10, 13333364), (11, 12121240), (19, 7017560), (20, 6666682), (22, 6060620), (38, 3508780), (40, 3333341), (41, 3252040), (44, 3030310), (55, 2424248), (76, 1754390), (82, 1626020), (88, 1515155), (95, 1403512), (110, 1212124), (152, 877195), (164, 813010), (190, 701756), (205, 650408), (209, 637960), (220, 606062), (328, 406505), (380, 350878), (389, 342760), (410, 325204), (418, 318980), (440, 303031), (451, 295640), (760, 175439), (778, 171380), (779, 171160), (820, 162602), (836, 159490), (902, 147820), (1045, 127592), (1556, 85690), (1558, 85580), (1640, 81301), (1672, 79745), (1804, 73910), (1945, 68552), (2090, 63796), (2255, 59128), (3112, 42845), (3116, 42790), (3608, 36955), (3890, 34276), (3895, 34232), (4180, 31898), (4279, 31160), (4510, 29564), (6232, 21395), (7391, 18040), (7780, 17138), (7790, 17116), (8360, 15949), (8558, 15580), (8569, 15560), (9020, 14782)]