81882360

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{10831}}^1$

素因数の和:10858

約数の個数: 128

約数和(自身を含む): 311961600

約数和(自身を除く): 230079240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 10831, 21662, 32493, 43324, 54155, 64986, 75817, 86648, 97479, 108310, 129972, 151634, 162465, 194958, 216620, 227451, 259944, 292437, 303268, 324930, 379085, 389916, 433240, 454902, 487395, 584874, 606536, 649860, 682353, 758170, 779832, 909804, 974790, 1137255, 1169748, 1299720, 1364706, 1462185, 1516340, 1819608, 1949580, 2047059, 2274510, 2339496, 2729412, 2924370, 3032680, 3411765, 3899160, 4094118, 4549020, 5458824, 5848740, 6823530, 8188236, 9098040, 10235295, 11697480, 13647060, 16376472, 20470590, 27294120, 40941180, 81882360]

約数ペア:

[(1, 81882360), (2, 40941180), (3, 27294120), (4, 20470590), (5, 16376472), (6, 13647060), (7, 11697480), (8, 10235295), (9, 9098040), (10, 8188236), (12, 6823530), (14, 5848740), (15, 5458824), (18, 4549020), (20, 4094118), (21, 3899160), (24, 3411765), (27, 3032680), (28, 2924370), (30, 2729412), (35, 2339496), (36, 2274510), (40, 2047059), (42, 1949580), (45, 1819608), (54, 1516340), (56, 1462185), (60, 1364706), (63, 1299720), (70, 1169748), (72, 1137255), (84, 974790), (90, 909804), (105, 779832), (108, 758170), (120, 682353), (126, 649860), (135, 606536), (140, 584874), (168, 487395), (180, 454902), (189, 433240), (210, 389916), (216, 379085), (252, 324930), (270, 303268), (280, 292437), (315, 259944), (360, 227451), (378, 216620), (420, 194958), (504, 162465), (540, 151634), (630, 129972), (756, 108310), (840, 97479), (945, 86648), (1080, 75817), (1260, 64986), (1512, 54155), (1890, 43324), (2520, 32493), (3780, 21662), (7560, 10831)]