261619860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{821}}^1$

素因数の和:993

約数の個数: 96

約数和(自身を含む): 755661312

約数和(自身を除く): 494041452

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 113, 141, 188, 226, 235, 282, 339, 452, 470, 564, 565, 678, 705, 821, 940, 1130, 1356, 1410, 1642, 1695, 2260, 2463, 2820, 3284, 3390, 4105, 4926, 5311, 6780, 8210, 9852, 10622, 12315, 15933, 16420, 21244, 24630, 26555, 31866, 38587, 49260, 53110, 63732, 77174, 79665, 92773, 106220, 115761, 154348, 159330, 185546, 192935, 231522, 278319, 318660, 371092, 385870, 463044, 463865, 556638, 578805, 771740, 927730, 1113276, 1157610, 1391595, 1855460, 2315220, 2783190, 4360331, 5566380, 8720662, 13080993, 17441324, 21801655, 26161986, 43603310, 52323972, 65404965, 87206620, 130809930, 261619860]

約数ペア:

[(1, 261619860), (2, 130809930), (3, 87206620), (4, 65404965), (5, 52323972), (6, 43603310), (10, 26161986), (12, 21801655), (15, 17441324), (20, 13080993), (30, 8720662), (47, 5566380), (60, 4360331), (94, 2783190), (113, 2315220), (141, 1855460), (188, 1391595), (226, 1157610), (235, 1113276), (282, 927730), (339, 771740), (452, 578805), (470, 556638), (564, 463865), (565, 463044), (678, 385870), (705, 371092), (821, 318660), (940, 278319), (1130, 231522), (1356, 192935), (1410, 185546), (1642, 159330), (1695, 154348), (2260, 115761), (2463, 106220), (2820, 92773), (3284, 79665), (3390, 77174), (4105, 63732), (4926, 53110), (5311, 49260), (6780, 38587), (8210, 31866), (9852, 26555), (10622, 24630), (12315, 21244), (15933, 16420)]