66839580

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{809}}^1$

素因数の和:850

約数の個数: 144

約数和(自身を含む): 222899040

約数和(自身を除く): 156059460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 81, 85, 90, 102, 108, 135, 153, 162, 170, 180, 204, 243, 255, 270, 306, 324, 340, 405, 459, 486, 510, 540, 612, 765, 809, 810, 918, 972, 1020, 1215, 1377, 1530, 1618, 1620, 1836, 2295, 2427, 2430, 2754, 3060, 3236, 4045, 4131, 4590, 4854, 4860, 5508, 6885, 7281, 8090, 8262, 9180, 9708, 12135, 13753, 13770, 14562, 16180, 16524, 20655, 21843, 24270, 27506, 27540, 29124, 36405, 41259, 41310, 43686, 48540, 55012, 65529, 68765, 72810, 82518, 82620, 87372, 109215, 123777, 131058, 137530, 145620, 165036, 196587, 206295, 218430, 247554, 262116, 275060, 327645, 371331, 393174, 412590, 436860, 495108, 618885, 655290, 742662, 786348, 825180, 982935, 1113993, 1237770, 1310580, 1485324, 1856655, 1965870, 2227986, 2475540, 3341979, 3713310, 3931740, 4455972, 5569965, 6683958, 7426620, 11139930, 13367916, 16709895, 22279860, 33419790, 66839580]

約数ペア:

[(1, 66839580), (2, 33419790), (3, 22279860), (4, 16709895), (5, 13367916), (6, 11139930), (9, 7426620), (10, 6683958), (12, 5569965), (15, 4455972), (17, 3931740), (18, 3713310), (20, 3341979), (27, 2475540), (30, 2227986), (34, 1965870), (36, 1856655), (45, 1485324), (51, 1310580), (54, 1237770), (60, 1113993), (68, 982935), (81, 825180), (85, 786348), (90, 742662), (102, 655290), (108, 618885), (135, 495108), (153, 436860), (162, 412590), (170, 393174), (180, 371331), (204, 327645), (243, 275060), (255, 262116), (270, 247554), (306, 218430), (324, 206295), (340, 196587), (405, 165036), (459, 145620), (486, 137530), (510, 131058), (540, 123777), (612, 109215), (765, 87372), (809, 82620), (810, 82518), (918, 72810), (972, 68765), (1020, 65529), (1215, 55012), (1377, 48540), (1530, 43686), (1618, 41310), (1620, 41259), (1836, 36405), (2295, 29124), (2427, 27540), (2430, 27506), (2754, 24270), (3060, 21843), (3236, 20655), (4045, 16524), (4131, 16180), (4590, 14562), (4854, 13770), (4860, 13753), (5508, 12135), (6885, 9708), (7281, 9180), (8090, 8262)]