81766260

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2969}}^1$

素因数の和:3007

約数の個数: 120

約数和(自身を含む): 271683720

約数和(自身を除く): 189917460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 81, 85, 90, 102, 108, 135, 153, 162, 170, 180, 204, 255, 270, 306, 324, 340, 405, 459, 510, 540, 612, 765, 810, 918, 1020, 1377, 1530, 1620, 1836, 2295, 2754, 2969, 3060, 4590, 5508, 5938, 6885, 8907, 9180, 11876, 13770, 14845, 17814, 26721, 27540, 29690, 35628, 44535, 50473, 53442, 59380, 80163, 89070, 100946, 106884, 133605, 151419, 160326, 178140, 201892, 240489, 252365, 267210, 302838, 320652, 400815, 454257, 480978, 504730, 534420, 605676, 757095, 801630, 908514, 961956, 1009460, 1202445, 1362771, 1514190, 1603260, 1817028, 2271285, 2404890, 2725542, 3028380, 4088313, 4542570, 4809780, 5451084, 6813855, 8176626, 9085140, 13627710, 16353252, 20441565, 27255420, 40883130, 81766260]

約数ペア:

[(1, 81766260), (2, 40883130), (3, 27255420), (4, 20441565), (5, 16353252), (6, 13627710), (9, 9085140), (10, 8176626), (12, 6813855), (15, 5451084), (17, 4809780), (18, 4542570), (20, 4088313), (27, 3028380), (30, 2725542), (34, 2404890), (36, 2271285), (45, 1817028), (51, 1603260), (54, 1514190), (60, 1362771), (68, 1202445), (81, 1009460), (85, 961956), (90, 908514), (102, 801630), (108, 757095), (135, 605676), (153, 534420), (162, 504730), (170, 480978), (180, 454257), (204, 400815), (255, 320652), (270, 302838), (306, 267210), (324, 252365), (340, 240489), (405, 201892), (459, 178140), (510, 160326), (540, 151419), (612, 133605), (765, 106884), (810, 100946), (918, 89070), (1020, 80163), (1377, 59380), (1530, 53442), (1620, 50473), (1836, 44535), (2295, 35628), (2754, 29690), (2969, 27540), (3060, 26721), (4590, 17814), (5508, 14845), (5938, 13770), (6885, 11876), (8907, 9180)]