381305580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{389}}^1$

素因数の和:480

約数の個数: 144

約数和(自身を含む): 1171104480

約数和(自身を除く): 789798900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 31, 34, 51, 60, 62, 68, 85, 93, 102, 124, 155, 170, 186, 204, 255, 310, 340, 372, 389, 465, 510, 527, 620, 778, 930, 961, 1020, 1054, 1167, 1556, 1581, 1860, 1922, 1945, 2108, 2334, 2635, 2883, 3162, 3844, 3890, 4668, 4805, 5270, 5766, 5835, 6324, 6613, 7780, 7905, 9610, 10540, 11532, 11670, 12059, 13226, 14415, 15810, 16337, 19220, 19839, 23340, 24118, 26452, 28830, 31620, 32674, 33065, 36177, 39678, 48236, 49011, 57660, 60295, 65348, 66130, 72354, 79356, 81685, 98022, 99195, 120590, 132260, 144708, 163370, 180885, 196044, 198390, 205003, 241180, 245055, 326740, 361770, 373829, 396780, 410006, 490110, 615009, 723540, 747658, 820012, 980220, 1025015, 1121487, 1230018, 1495316, 1869145, 2050030, 2242974, 2460036, 3075045, 3738290, 4100060, 4485948, 5607435, 6150090, 6355093, 7476580, 11214870, 12300180, 12710186, 19065279, 22429740, 25420372, 31775465, 38130558, 63550930, 76261116, 95326395, 127101860, 190652790, 381305580]

約数ペア:

[(1, 381305580), (2, 190652790), (3, 127101860), (4, 95326395), (5, 76261116), (6, 63550930), (10, 38130558), (12, 31775465), (15, 25420372), (17, 22429740), (20, 19065279), (30, 12710186), (31, 12300180), (34, 11214870), (51, 7476580), (60, 6355093), (62, 6150090), (68, 5607435), (85, 4485948), (93, 4100060), (102, 3738290), (124, 3075045), (155, 2460036), (170, 2242974), (186, 2050030), (204, 1869145), (255, 1495316), (310, 1230018), (340, 1121487), (372, 1025015), (389, 980220), (465, 820012), (510, 747658), (527, 723540), (620, 615009), (778, 490110), (930, 410006), (961, 396780), (1020, 373829), (1054, 361770), (1167, 326740), (1556, 245055), (1581, 241180), (1860, 205003), (1922, 198390), (1945, 196044), (2108, 180885), (2334, 163370), (2635, 144708), (2883, 132260), (3162, 120590), (3844, 99195), (3890, 98022), (4668, 81685), (4805, 79356), (5270, 72354), (5766, 66130), (5835, 65348), (6324, 60295), (6613, 57660), (7780, 49011), (7905, 48236), (9610, 39678), (10540, 36177), (11532, 33065), (11670, 32674), (12059, 31620), (13226, 28830), (14415, 26452), (15810, 24118), (16337, 23340), (19220, 19839)]