81619040

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{811}}^1$

素因数の和:880

約数の個数: 96

約数和(自身を含む): 209944224

約数和(自身を除く): 128325184

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 37, 40, 68, 74, 80, 85, 136, 148, 160, 170, 185, 272, 296, 340, 370, 544, 592, 629, 680, 740, 811, 1184, 1258, 1360, 1480, 1622, 2516, 2720, 2960, 3145, 3244, 4055, 5032, 5920, 6290, 6488, 8110, 10064, 12580, 12976, 13787, 16220, 20128, 25160, 25952, 27574, 30007, 32440, 50320, 55148, 60014, 64880, 68935, 100640, 110296, 120028, 129760, 137870, 150035, 220592, 240056, 275740, 300070, 441184, 480112, 510119, 551480, 600140, 960224, 1020238, 1102960, 1200280, 2040476, 2205920, 2400560, 2550595, 4080952, 4801120, 5101190, 8161904, 10202380, 16323808, 20404760, 40809520, 81619040]

約数ペア:

[(1, 81619040), (2, 40809520), (4, 20404760), (5, 16323808), (8, 10202380), (10, 8161904), (16, 5101190), (17, 4801120), (20, 4080952), (32, 2550595), (34, 2400560), (37, 2205920), (40, 2040476), (68, 1200280), (74, 1102960), (80, 1020238), (85, 960224), (136, 600140), (148, 551480), (160, 510119), (170, 480112), (185, 441184), (272, 300070), (296, 275740), (340, 240056), (370, 220592), (544, 150035), (592, 137870), (629, 129760), (680, 120028), (740, 110296), (811, 100640), (1184, 68935), (1258, 64880), (1360, 60014), (1480, 55148), (1622, 50320), (2516, 32440), (2720, 30007), (2960, 27574), (3145, 25952), (3244, 25160), (4055, 20128), (5032, 16220), (5920, 13787), (6290, 12976), (6488, 12580), (8110, 10064)]