65981790

素因数分解:

$2^1\times 3^7\times 5^1\times 7^1\times {\mathrm{431}}^1$

素因数の和:466

約数の個数: 128

約数和(自身を含む): 204042240

約数和(自身を除く): 138060450

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 81, 90, 105, 126, 135, 162, 189, 210, 243, 270, 315, 378, 405, 431, 486, 567, 630, 729, 810, 862, 945, 1134, 1215, 1293, 1458, 1701, 1890, 2155, 2187, 2430, 2586, 2835, 3017, 3402, 3645, 3879, 4310, 4374, 5103, 5670, 6034, 6465, 7290, 7758, 8505, 9051, 10206, 10935, 11637, 12930, 15085, 15309, 17010, 18102, 19395, 21870, 23274, 25515, 27153, 30170, 30618, 34911, 38790, 45255, 51030, 54306, 58185, 69822, 76545, 81459, 90510, 104733, 116370, 135765, 153090, 162918, 174555, 209466, 244377, 271530, 314199, 349110, 407295, 488754, 523665, 628398, 733131, 814590, 942597, 1047330, 1221885, 1466262, 1570995, 1885194, 2199393, 2443770, 3141990, 3665655, 4398786, 4712985, 6598179, 7331310, 9425970, 10996965, 13196358, 21993930, 32990895, 65981790]

約数ペア:

[(1, 65981790), (2, 32990895), (3, 21993930), (5, 13196358), (6, 10996965), (7, 9425970), (9, 7331310), (10, 6598179), (14, 4712985), (15, 4398786), (18, 3665655), (21, 3141990), (27, 2443770), (30, 2199393), (35, 1885194), (42, 1570995), (45, 1466262), (54, 1221885), (63, 1047330), (70, 942597), (81, 814590), (90, 733131), (105, 628398), (126, 523665), (135, 488754), (162, 407295), (189, 349110), (210, 314199), (243, 271530), (270, 244377), (315, 209466), (378, 174555), (405, 162918), (431, 153090), (486, 135765), (567, 116370), (630, 104733), (729, 90510), (810, 81459), (862, 76545), (945, 69822), (1134, 58185), (1215, 54306), (1293, 51030), (1458, 45255), (1701, 38790), (1890, 34911), (2155, 30618), (2187, 30170), (2430, 27153), (2586, 25515), (2835, 23274), (3017, 21870), (3402, 19395), (3645, 18102), (3879, 17010), (4310, 15309), (4374, 15085), (5103, 12930), (5670, 11637), (6034, 10935), (6465, 10206), (7290, 9051), (7758, 8505)]