54997380

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1997}}^1$

素因数の和:2035

約数の個数: 120

約数和(自身を含む): 182769048

約数和(自身を除く): 127771668

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 81, 85, 90, 102, 108, 135, 153, 162, 170, 180, 204, 255, 270, 306, 324, 340, 405, 459, 510, 540, 612, 765, 810, 918, 1020, 1377, 1530, 1620, 1836, 1997, 2295, 2754, 3060, 3994, 4590, 5508, 5991, 6885, 7988, 9180, 9985, 11982, 13770, 17973, 19970, 23964, 27540, 29955, 33949, 35946, 39940, 53919, 59910, 67898, 71892, 89865, 101847, 107838, 119820, 135796, 161757, 169745, 179730, 203694, 215676, 269595, 305541, 323514, 339490, 359460, 407388, 509235, 539190, 611082, 647028, 678980, 808785, 916623, 1018470, 1078380, 1222164, 1527705, 1617570, 1833246, 2036940, 2749869, 3055410, 3235140, 3666492, 4583115, 5499738, 6110820, 9166230, 10999476, 13749345, 18332460, 27498690, 54997380]

約数ペア:

[(1, 54997380), (2, 27498690), (3, 18332460), (4, 13749345), (5, 10999476), (6, 9166230), (9, 6110820), (10, 5499738), (12, 4583115), (15, 3666492), (17, 3235140), (18, 3055410), (20, 2749869), (27, 2036940), (30, 1833246), (34, 1617570), (36, 1527705), (45, 1222164), (51, 1078380), (54, 1018470), (60, 916623), (68, 808785), (81, 678980), (85, 647028), (90, 611082), (102, 539190), (108, 509235), (135, 407388), (153, 359460), (162, 339490), (170, 323514), (180, 305541), (204, 269595), (255, 215676), (270, 203694), (306, 179730), (324, 169745), (340, 161757), (405, 135796), (459, 119820), (510, 107838), (540, 101847), (612, 89865), (765, 71892), (810, 67898), (918, 59910), (1020, 53919), (1377, 39940), (1530, 35946), (1620, 33949), (1836, 29955), (1997, 27540), (2295, 23964), (2754, 19970), (3060, 17973), (3994, 13770), (4590, 11982), (5508, 9985), (5991, 9180), (6885, 7988)]