172751220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{373}}^1$

素因数の和:502

約数の個数: 144

約数和(自身を含む): 548900352

約数和(自身を除く): 376149132

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 83, 90, 93, 124, 155, 166, 180, 186, 249, 279, 310, 332, 372, 373, 415, 465, 498, 558, 620, 746, 747, 830, 930, 996, 1116, 1119, 1245, 1395, 1492, 1494, 1660, 1860, 1865, 2238, 2490, 2573, 2790, 2988, 3357, 3730, 3735, 4476, 4980, 5146, 5580, 5595, 6714, 7460, 7470, 7719, 10292, 11190, 11563, 12865, 13428, 14940, 15438, 16785, 22380, 23126, 23157, 25730, 30876, 30959, 33570, 34689, 38595, 46252, 46314, 51460, 57815, 61918, 67140, 69378, 77190, 92628, 92877, 104067, 115630, 115785, 123836, 138756, 154380, 154795, 173445, 185754, 208134, 231260, 231570, 278631, 309590, 346890, 371508, 416268, 463140, 464385, 520335, 557262, 619180, 693780, 928770, 959729, 1040670, 1114524, 1393155, 1857540, 1919458, 2081340, 2786310, 2879187, 3838916, 4798645, 5572620, 5758374, 8637561, 9597290, 11516748, 14395935, 17275122, 19194580, 28791870, 34550244, 43187805, 57583740, 86375610, 172751220]

約数ペア:

[(1, 172751220), (2, 86375610), (3, 57583740), (4, 43187805), (5, 34550244), (6, 28791870), (9, 19194580), (10, 17275122), (12, 14395935), (15, 11516748), (18, 9597290), (20, 8637561), (30, 5758374), (31, 5572620), (36, 4798645), (45, 3838916), (60, 2879187), (62, 2786310), (83, 2081340), (90, 1919458), (93, 1857540), (124, 1393155), (155, 1114524), (166, 1040670), (180, 959729), (186, 928770), (249, 693780), (279, 619180), (310, 557262), (332, 520335), (372, 464385), (373, 463140), (415, 416268), (465, 371508), (498, 346890), (558, 309590), (620, 278631), (746, 231570), (747, 231260), (830, 208134), (930, 185754), (996, 173445), (1116, 154795), (1119, 154380), (1245, 138756), (1395, 123836), (1492, 115785), (1494, 115630), (1660, 104067), (1860, 92877), (1865, 92628), (2238, 77190), (2490, 69378), (2573, 67140), (2790, 61918), (2988, 57815), (3357, 51460), (3730, 46314), (3735, 46252), (4476, 38595), (4980, 34689), (5146, 33570), (5580, 30959), (5595, 30876), (6714, 25730), (7460, 23157), (7470, 23126), (7719, 22380), (10292, 16785), (11190, 15438), (11563, 14940), (12865, 13428)]