218333220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{103}}^2$

素因数の和:239

約数の個数: 144

約数和(自身を含む): 719913600

約数和(自身を除く): 501580380

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 103, 105, 140, 147, 196, 206, 210, 245, 294, 309, 343, 412, 420, 490, 515, 588, 618, 686, 721, 735, 980, 1029, 1030, 1236, 1372, 1442, 1470, 1545, 1715, 2058, 2060, 2163, 2884, 2940, 3090, 3430, 3605, 4116, 4326, 5047, 5145, 6180, 6860, 7210, 8652, 10094, 10290, 10609, 10815, 14420, 15141, 20188, 20580, 21218, 21630, 25235, 30282, 31827, 35329, 42436, 43260, 50470, 53045, 60564, 63654, 70658, 74263, 75705, 100940, 105987, 106090, 127308, 141316, 148526, 151410, 159135, 176645, 211974, 212180, 222789, 297052, 302820, 318270, 353290, 371315, 423948, 445578, 519841, 529935, 636540, 706580, 742630, 891156, 1039682, 1059870, 1113945, 1485260, 1559523, 2079364, 2119740, 2227890, 2599205, 3119046, 3638887, 4455780, 5198410, 6238092, 7277774, 7797615, 10396820, 10916661, 14555548, 15595230, 18194435, 21833322, 31190460, 36388870, 43666644, 54583305, 72777740, 109166610, 218333220]

約数ペア:

[(1, 218333220), (2, 109166610), (3, 72777740), (4, 54583305), (5, 43666644), (6, 36388870), (7, 31190460), (10, 21833322), (12, 18194435), (14, 15595230), (15, 14555548), (20, 10916661), (21, 10396820), (28, 7797615), (30, 7277774), (35, 6238092), (42, 5198410), (49, 4455780), (60, 3638887), (70, 3119046), (84, 2599205), (98, 2227890), (103, 2119740), (105, 2079364), (140, 1559523), (147, 1485260), (196, 1113945), (206, 1059870), (210, 1039682), (245, 891156), (294, 742630), (309, 706580), (343, 636540), (412, 529935), (420, 519841), (490, 445578), (515, 423948), (588, 371315), (618, 353290), (686, 318270), (721, 302820), (735, 297052), (980, 222789), (1029, 212180), (1030, 211974), (1236, 176645), (1372, 159135), (1442, 151410), (1470, 148526), (1545, 141316), (1715, 127308), (2058, 106090), (2060, 105987), (2163, 100940), (2884, 75705), (2940, 74263), (3090, 70658), (3430, 63654), (3605, 60564), (4116, 53045), (4326, 50470), (5047, 43260), (5145, 42436), (6180, 35329), (6860, 31827), (7210, 30282), (8652, 25235), (10094, 21630), (10290, 21218), (10609, 20580), (10815, 20188), (14420, 15141)]