156964721440

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{499}}^1\times {\mathrm{47951}}^1$

素因数の和:48506

約数の個数: 96

約数和(自身を含む): 380642976000

約数和(自身を除く): 223678254560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 499, 656, 820, 998, 1312, 1640, 1996, 2495, 3280, 3992, 4990, 6560, 7984, 9980, 15968, 19960, 20459, 39920, 40918, 47951, 79840, 81836, 95902, 102295, 163672, 191804, 204590, 239755, 327344, 383608, 409180, 479510, 654688, 767216, 818360, 959020, 1534432, 1636720, 1918040, 1965991, 3273440, 3836080, 3931982, 7672160, 7863964, 9829955, 15727928, 19659910, 23927549, 31455856, 39319820, 47855098, 62911712, 78639640, 95710196, 119637745, 157279280, 191420392, 239275490, 314558560, 382840784, 478550980, 765681568, 957101960, 981029509, 1914203920, 1962059018, 3828407840, 3924118036, 4905147545, 7848236072, 9810295090, 15696472144, 19620590180, 31392944288, 39241180360, 78482360720, 156964721440]

約数ペア:

[(1, 156964721440), (2, 78482360720), (4, 39241180360), (5, 31392944288), (8, 19620590180), (10, 15696472144), (16, 9810295090), (20, 7848236072), (32, 4905147545), (40, 3924118036), (41, 3828407840), (80, 1962059018), (82, 1914203920), (160, 981029509), (164, 957101960), (205, 765681568), (328, 478550980), (410, 382840784), (499, 314558560), (656, 239275490), (820, 191420392), (998, 157279280), (1312, 119637745), (1640, 95710196), (1996, 78639640), (2495, 62911712), (3280, 47855098), (3992, 39319820), (4990, 31455856), (6560, 23927549), (7984, 19659910), (9980, 15727928), (15968, 9829955), (19960, 7863964), (20459, 7672160), (39920, 3931982), (40918, 3836080), (47951, 3273440), (79840, 1965991), (81836, 1918040), (95902, 1636720), (102295, 1534432), (163672, 959020), (191804, 818360), (204590, 767216), (239755, 654688), (327344, 479510), (383608, 409180)]