217751520

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{283}}^1$

素因数の和:537

約数の個数: 192

約数和(自身を含む): 790110720

約数和(自身を除く): 572359200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 229, 240, 280, 283, 336, 420, 458, 480, 560, 566, 672, 687, 840, 849, 916, 1120, 1132, 1145, 1374, 1415, 1603, 1680, 1698, 1832, 1981, 2264, 2290, 2748, 2830, 3206, 3360, 3396, 3435, 3664, 3962, 4245, 4528, 4580, 4809, 5496, 5660, 5943, 6412, 6792, 6870, 7328, 7924, 8015, 8490, 9056, 9160, 9618, 9905, 10992, 11320, 11886, 12824, 13584, 13740, 15848, 16030, 16980, 18320, 19236, 19810, 21984, 22640, 23772, 24045, 25648, 27168, 27480, 29715, 31696, 32060, 33960, 36640, 38472, 39620, 45280, 47544, 48090, 51296, 54960, 59430, 63392, 64120, 64807, 67920, 76944, 79240, 95088, 96180, 109920, 118860, 128240, 129614, 135840, 153888, 158480, 190176, 192360, 194421, 237720, 256480, 259228, 316960, 324035, 384720, 388842, 453649, 475440, 518456, 648070, 769440, 777684, 907298, 950880, 972105, 1036912, 1296140, 1360947, 1555368, 1814596, 1944210, 2073824, 2268245, 2592280, 2721894, 3110736, 3629192, 3888420, 4536490, 5184560, 5443788, 6221472, 6804735, 7258384, 7776840, 9072980, 10369120, 10887576, 13609470, 14516768, 15553680, 18145960, 21775152, 27218940, 31107360, 36291920, 43550304, 54437880, 72583840, 108875760, 217751520]

約数ペア:

[(1, 217751520), (2, 108875760), (3, 72583840), (4, 54437880), (5, 43550304), (6, 36291920), (7, 31107360), (8, 27218940), (10, 21775152), (12, 18145960), (14, 15553680), (15, 14516768), (16, 13609470), (20, 10887576), (21, 10369120), (24, 9072980), (28, 7776840), (30, 7258384), (32, 6804735), (35, 6221472), (40, 5443788), (42, 5184560), (48, 4536490), (56, 3888420), (60, 3629192), (70, 3110736), (80, 2721894), (84, 2592280), (96, 2268245), (105, 2073824), (112, 1944210), (120, 1814596), (140, 1555368), (160, 1360947), (168, 1296140), (210, 1036912), (224, 972105), (229, 950880), (240, 907298), (280, 777684), (283, 769440), (336, 648070), (420, 518456), (458, 475440), (480, 453649), (560, 388842), (566, 384720), (672, 324035), (687, 316960), (840, 259228), (849, 256480), (916, 237720), (1120, 194421), (1132, 192360), (1145, 190176), (1374, 158480), (1415, 153888), (1603, 135840), (1680, 129614), (1698, 128240), (1832, 118860), (1981, 109920), (2264, 96180), (2290, 95088), (2748, 79240), (2830, 76944), (3206, 67920), (3360, 64807), (3396, 64120), (3435, 63392), (3664, 59430), (3962, 54960), (4245, 51296), (4528, 48090), (4580, 47544), (4809, 45280), (5496, 39620), (5660, 38472), (5943, 36640), (6412, 33960), (6792, 32060), (6870, 31696), (7328, 29715), (7924, 27480), (8015, 27168), (8490, 25648), (9056, 24045), (9160, 23772), (9618, 22640), (9905, 21984), (10992, 19810), (11320, 19236), (11886, 18320), (12824, 16980), (13584, 16030), (13740, 15848)]