61581240

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{3491}}^1$

素因数の和:3522

約数の個数: 144

約数和(自身を含む): 232881480

約数和(自身を除く): 171300240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1960, 2205, 2520, 2940, 3491, 3528, 4410, 5880, 6982, 8820, 10473, 13964, 17455, 17640, 20946, 24437, 27928, 31419, 34910, 41892, 48874, 52365, 62838, 69820, 73311, 83784, 97748, 104730, 122185, 125676, 139640, 146622, 157095, 171059, 195496, 209460, 219933, 244370, 251352, 293244, 314190, 342118, 366555, 418920, 439866, 488740, 513177, 586488, 628380, 684236, 733110, 855295, 879732, 977480, 1026354, 1099665, 1256760, 1368472, 1466220, 1539531, 1710590, 1759464, 2052708, 2199330, 2565885, 2932440, 3079062, 3421180, 4105416, 4398660, 5131770, 6158124, 6842360, 7697655, 8797320, 10263540, 12316248, 15395310, 20527080, 30790620, 61581240]

約数ペア:

[(1, 61581240), (2, 30790620), (3, 20527080), (4, 15395310), (5, 12316248), (6, 10263540), (7, 8797320), (8, 7697655), (9, 6842360), (10, 6158124), (12, 5131770), (14, 4398660), (15, 4105416), (18, 3421180), (20, 3079062), (21, 2932440), (24, 2565885), (28, 2199330), (30, 2052708), (35, 1759464), (36, 1710590), (40, 1539531), (42, 1466220), (45, 1368472), (49, 1256760), (56, 1099665), (60, 1026354), (63, 977480), (70, 879732), (72, 855295), (84, 733110), (90, 684236), (98, 628380), (105, 586488), (120, 513177), (126, 488740), (140, 439866), (147, 418920), (168, 366555), (180, 342118), (196, 314190), (210, 293244), (245, 251352), (252, 244370), (280, 219933), (294, 209460), (315, 195496), (360, 171059), (392, 157095), (420, 146622), (441, 139640), (490, 125676), (504, 122185), (588, 104730), (630, 97748), (735, 83784), (840, 73311), (882, 69820), (980, 62838), (1176, 52365), (1260, 48874), (1470, 41892), (1764, 34910), (1960, 31419), (2205, 27928), (2520, 24437), (2940, 20946), (3491, 17640), (3528, 17455), (4410, 13964), (5880, 10473), (6982, 8820)]