64764720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{293}}^1\times {\mathrm{307}}^1$

素因数の和:619

約数の個数: 120

約数和(自身を含む): 218954736

約数和(自身を除く): 154190016

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 293, 307, 360, 586, 614, 720, 879, 921, 1172, 1228, 1465, 1535, 1758, 1842, 2344, 2456, 2637, 2763, 2930, 3070, 3516, 3684, 4395, 4605, 4688, 4912, 5274, 5526, 5860, 6140, 7032, 7368, 8790, 9210, 10548, 11052, 11720, 12280, 13185, 13815, 14064, 14736, 17580, 18420, 21096, 22104, 23440, 24560, 26370, 27630, 35160, 36840, 42192, 44208, 52740, 55260, 70320, 73680, 89951, 105480, 110520, 179902, 210960, 221040, 269853, 359804, 449755, 539706, 719608, 809559, 899510, 1079412, 1349265, 1439216, 1619118, 1799020, 2158824, 2698530, 3238236, 3598040, 4047795, 4317648, 5397060, 6476472, 7196080, 8095590, 10794120, 12952944, 16191180, 21588240, 32382360, 64764720]

約数ペア:

[(1, 64764720), (2, 32382360), (3, 21588240), (4, 16191180), (5, 12952944), (6, 10794120), (8, 8095590), (9, 7196080), (10, 6476472), (12, 5397060), (15, 4317648), (16, 4047795), (18, 3598040), (20, 3238236), (24, 2698530), (30, 2158824), (36, 1799020), (40, 1619118), (45, 1439216), (48, 1349265), (60, 1079412), (72, 899510), (80, 809559), (90, 719608), (120, 539706), (144, 449755), (180, 359804), (240, 269853), (293, 221040), (307, 210960), (360, 179902), (586, 110520), (614, 105480), (720, 89951), (879, 73680), (921, 70320), (1172, 55260), (1228, 52740), (1465, 44208), (1535, 42192), (1758, 36840), (1842, 35160), (2344, 27630), (2456, 26370), (2637, 24560), (2763, 23440), (2930, 22104), (3070, 21096), (3516, 18420), (3684, 17580), (4395, 14736), (4605, 14064), (4688, 13815), (4912, 13185), (5274, 12280), (5526, 11720), (5860, 11052), (6140, 10548), (7032, 9210), (7368, 8790)]