161911800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{293}}^1\times {\mathrm{307}}^1$

素因数の和:622

約数の個数: 144

約数和(自身を含む): 547386840

約数和(自身を除く): 385475040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 150, 180, 200, 225, 293, 300, 307, 360, 450, 586, 600, 614, 879, 900, 921, 1172, 1228, 1465, 1535, 1758, 1800, 1842, 2344, 2456, 2637, 2763, 2930, 3070, 3516, 3684, 4395, 4605, 5274, 5526, 5860, 6140, 7032, 7325, 7368, 7675, 8790, 9210, 10548, 11052, 11720, 12280, 13185, 13815, 14650, 15350, 17580, 18420, 21096, 21975, 22104, 23025, 26370, 27630, 29300, 30700, 35160, 36840, 43950, 46050, 52740, 55260, 58600, 61400, 65925, 69075, 87900, 89951, 92100, 105480, 110520, 131850, 138150, 175800, 179902, 184200, 263700, 269853, 276300, 359804, 449755, 527400, 539706, 552600, 719608, 809559, 899510, 1079412, 1349265, 1619118, 1799020, 2158824, 2248775, 2698530, 3238236, 3598040, 4047795, 4497550, 5397060, 6476472, 6746325, 8095590, 8995100, 10794120, 13492650, 16191180, 17990200, 20238975, 26985300, 32382360, 40477950, 53970600, 80955900, 161911800]

約数ペア:

[(1, 161911800), (2, 80955900), (3, 53970600), (4, 40477950), (5, 32382360), (6, 26985300), (8, 20238975), (9, 17990200), (10, 16191180), (12, 13492650), (15, 10794120), (18, 8995100), (20, 8095590), (24, 6746325), (25, 6476472), (30, 5397060), (36, 4497550), (40, 4047795), (45, 3598040), (50, 3238236), (60, 2698530), (72, 2248775), (75, 2158824), (90, 1799020), (100, 1619118), (120, 1349265), (150, 1079412), (180, 899510), (200, 809559), (225, 719608), (293, 552600), (300, 539706), (307, 527400), (360, 449755), (450, 359804), (586, 276300), (600, 269853), (614, 263700), (879, 184200), (900, 179902), (921, 175800), (1172, 138150), (1228, 131850), (1465, 110520), (1535, 105480), (1758, 92100), (1800, 89951), (1842, 87900), (2344, 69075), (2456, 65925), (2637, 61400), (2763, 58600), (2930, 55260), (3070, 52740), (3516, 46050), (3684, 43950), (4395, 36840), (4605, 35160), (5274, 30700), (5526, 29300), (5860, 27630), (6140, 26370), (7032, 23025), (7325, 22104), (7368, 21975), (7675, 21096), (8790, 18420), (9210, 17580), (10548, 15350), (11052, 14650), (11720, 13815), (12280, 13185)]