258814960

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{4153}}^1$

素因数の和:4226

約数の個数: 80

約数和(自身を含む): 649020960

約数和(自身を除く): 390206000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 41, 76, 80, 82, 95, 152, 164, 190, 205, 304, 328, 380, 410, 656, 760, 779, 820, 1520, 1558, 1640, 3116, 3280, 3895, 4153, 6232, 7790, 8306, 12464, 15580, 16612, 20765, 31160, 33224, 41530, 62320, 66448, 78907, 83060, 157814, 166120, 170273, 315628, 332240, 340546, 394535, 631256, 681092, 789070, 851365, 1262512, 1362184, 1578140, 1702730, 2724368, 3156280, 3235187, 3405460, 6312560, 6470374, 6810920, 12940748, 13621840, 16175935, 25881496, 32351870, 51762992, 64703740, 129407480, 258814960]

約数ペア:

[(1, 258814960), (2, 129407480), (4, 64703740), (5, 51762992), (8, 32351870), (10, 25881496), (16, 16175935), (19, 13621840), (20, 12940748), (38, 6810920), (40, 6470374), (41, 6312560), (76, 3405460), (80, 3235187), (82, 3156280), (95, 2724368), (152, 1702730), (164, 1578140), (190, 1362184), (205, 1262512), (304, 851365), (328, 789070), (380, 681092), (410, 631256), (656, 394535), (760, 340546), (779, 332240), (820, 315628), (1520, 170273), (1558, 166120), (1640, 157814), (3116, 83060), (3280, 78907), (3895, 66448), (4153, 62320), (6232, 41530), (7790, 33224), (8306, 31160), (12464, 20765), (15580, 16612)]