172045860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{421}}^1$

素因数の和:586

約数の個数: 144

約数和(自身を含む): 565750080

約数和(自身を除く): 393704220

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, 105, 139, 140, 147, 196, 210, 245, 278, 294, 417, 420, 421, 490, 556, 588, 695, 735, 834, 842, 973, 980, 1263, 1390, 1470, 1668, 1684, 1946, 2085, 2105, 2526, 2780, 2919, 2940, 2947, 3892, 4170, 4210, 4865, 5052, 5838, 5894, 6315, 6811, 8340, 8420, 8841, 9730, 11676, 11788, 12630, 13622, 14595, 14735, 17682, 19460, 20433, 20629, 25260, 27244, 29190, 29470, 34055, 35364, 40866, 41258, 44205, 58380, 58519, 58940, 61887, 68110, 81732, 82516, 88410, 102165, 103145, 117038, 123774, 136220, 175557, 176820, 204330, 206290, 234076, 247548, 292595, 309435, 351114, 408660, 409633, 412580, 585190, 618870, 702228, 819266, 877785, 1170380, 1228899, 1237740, 1638532, 1755570, 2048165, 2457798, 2867431, 3511140, 4096330, 4915596, 5734862, 6144495, 8192660, 8602293, 11469724, 12288990, 14337155, 17204586, 24577980, 28674310, 34409172, 43011465, 57348620, 86022930, 172045860]

約数ペア:

[(1, 172045860), (2, 86022930), (3, 57348620), (4, 43011465), (5, 34409172), (6, 28674310), (7, 24577980), (10, 17204586), (12, 14337155), (14, 12288990), (15, 11469724), (20, 8602293), (21, 8192660), (28, 6144495), (30, 5734862), (35, 4915596), (42, 4096330), (49, 3511140), (60, 2867431), (70, 2457798), (84, 2048165), (98, 1755570), (105, 1638532), (139, 1237740), (140, 1228899), (147, 1170380), (196, 877785), (210, 819266), (245, 702228), (278, 618870), (294, 585190), (417, 412580), (420, 409633), (421, 408660), (490, 351114), (556, 309435), (588, 292595), (695, 247548), (735, 234076), (834, 206290), (842, 204330), (973, 176820), (980, 175557), (1263, 136220), (1390, 123774), (1470, 117038), (1668, 103145), (1684, 102165), (1946, 88410), (2085, 82516), (2105, 81732), (2526, 68110), (2780, 61887), (2919, 58940), (2940, 58519), (2947, 58380), (3892, 44205), (4170, 41258), (4210, 40866), (4865, 35364), (5052, 34055), (5838, 29470), (5894, 29190), (6315, 27244), (6811, 25260), (8340, 20629), (8420, 20433), (8841, 19460), (9730, 17682), (11676, 14735), (11788, 14595), (12630, 13622)]