400641840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{10499}}^1$

素因数の和:10571

約数の個数: 120

約数和(自身を含む): 1371006000

約数和(自身を除く): 970364160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 53, 60, 72, 80, 90, 106, 120, 144, 159, 180, 212, 240, 265, 318, 360, 424, 477, 530, 636, 720, 795, 848, 954, 1060, 1272, 1590, 1908, 2120, 2385, 2544, 3180, 3816, 4240, 4770, 6360, 7632, 9540, 10499, 12720, 19080, 20998, 31497, 38160, 41996, 52495, 62994, 83992, 94491, 104990, 125988, 157485, 167984, 188982, 209980, 251976, 314970, 377964, 419960, 472455, 503952, 556447, 629940, 755928, 839920, 944910, 1112894, 1259880, 1511856, 1669341, 1889820, 2225788, 2519760, 2782235, 3338682, 3779640, 4451576, 5008023, 5564470, 6677364, 7559280, 8346705, 8903152, 10016046, 11128940, 13354728, 16693410, 20032092, 22257880, 25040115, 26709456, 33386820, 40064184, 44515760, 50080230, 66773640, 80128368, 100160460, 133547280, 200320920, 400641840]

約数ペア:

[(1, 400641840), (2, 200320920), (3, 133547280), (4, 100160460), (5, 80128368), (6, 66773640), (8, 50080230), (9, 44515760), (10, 40064184), (12, 33386820), (15, 26709456), (16, 25040115), (18, 22257880), (20, 20032092), (24, 16693410), (30, 13354728), (36, 11128940), (40, 10016046), (45, 8903152), (48, 8346705), (53, 7559280), (60, 6677364), (72, 5564470), (80, 5008023), (90, 4451576), (106, 3779640), (120, 3338682), (144, 2782235), (159, 2519760), (180, 2225788), (212, 1889820), (240, 1669341), (265, 1511856), (318, 1259880), (360, 1112894), (424, 944910), (477, 839920), (530, 755928), (636, 629940), (720, 556447), (795, 503952), (848, 472455), (954, 419960), (1060, 377964), (1272, 314970), (1590, 251976), (1908, 209980), (2120, 188982), (2385, 167984), (2544, 157485), (3180, 125988), (3816, 104990), (4240, 94491), (4770, 83992), (6360, 62994), (7632, 52495), (9540, 41996), (10499, 38160), (12720, 31497), (19080, 20998)]