81613600

素因数分解:

$2^5\times 5^2\times {\mathrm{17}}^2\times {\mathrm{353}}^1$

素因数の和:407

約数の個数: 108

約数和(自身を含む): 212248134

約数和(自身を除く): 130634534

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 68, 80, 85, 100, 136, 160, 170, 200, 272, 289, 340, 353, 400, 425, 544, 578, 680, 706, 800, 850, 1156, 1360, 1412, 1445, 1700, 1765, 2312, 2720, 2824, 2890, 3400, 3530, 4624, 5648, 5780, 6001, 6800, 7060, 7225, 8825, 9248, 11296, 11560, 12002, 13600, 14120, 14450, 17650, 23120, 24004, 28240, 28900, 30005, 35300, 46240, 48008, 56480, 57800, 60010, 70600, 96016, 102017, 115600, 120020, 141200, 150025, 192032, 204034, 231200, 240040, 282400, 300050, 408068, 480080, 510085, 600100, 816136, 960160, 1020170, 1200200, 1632272, 2040340, 2400400, 2550425, 3264544, 4080680, 4800800, 5100850, 8161360, 10201700, 16322720, 20403400, 40806800, 81613600]

約数ペア:

[(1, 81613600), (2, 40806800), (4, 20403400), (5, 16322720), (8, 10201700), (10, 8161360), (16, 5100850), (17, 4800800), (20, 4080680), (25, 3264544), (32, 2550425), (34, 2400400), (40, 2040340), (50, 1632272), (68, 1200200), (80, 1020170), (85, 960160), (100, 816136), (136, 600100), (160, 510085), (170, 480080), (200, 408068), (272, 300050), (289, 282400), (340, 240040), (353, 231200), (400, 204034), (425, 192032), (544, 150025), (578, 141200), (680, 120020), (706, 115600), (800, 102017), (850, 96016), (1156, 70600), (1360, 60010), (1412, 57800), (1445, 56480), (1700, 48008), (1765, 46240), (2312, 35300), (2720, 30005), (2824, 28900), (2890, 28240), (3400, 24004), (3530, 23120), (4624, 17650), (5648, 14450), (5780, 14120), (6001, 13600), (6800, 12002), (7060, 11560), (7225, 11296), (8825, 9248)]