255236640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1009}}^1$

素因数の和:1075

約数の個数: 192

約数和(自身を含む): 879621120

約数和(自身を除く): 624384480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 31, 32, 34, 40, 48, 51, 60, 62, 68, 80, 85, 93, 96, 102, 120, 124, 136, 155, 160, 170, 186, 204, 240, 248, 255, 272, 310, 340, 372, 408, 465, 480, 496, 510, 527, 544, 620, 680, 744, 816, 930, 992, 1009, 1020, 1054, 1240, 1360, 1488, 1581, 1632, 1860, 2018, 2040, 2108, 2480, 2635, 2720, 2976, 3027, 3162, 3720, 4036, 4080, 4216, 4960, 5045, 5270, 6054, 6324, 7440, 7905, 8072, 8160, 8432, 10090, 10540, 12108, 12648, 14880, 15135, 15810, 16144, 16864, 17153, 20180, 21080, 24216, 25296, 30270, 31279, 31620, 32288, 34306, 40360, 42160, 48432, 50592, 51459, 60540, 62558, 63240, 68612, 80720, 84320, 85765, 93837, 96864, 102918, 121080, 125116, 126480, 137224, 156395, 161440, 171530, 187674, 205836, 242160, 250232, 252960, 257295, 274448, 312790, 343060, 375348, 411672, 469185, 484320, 500464, 514590, 531743, 548896, 625580, 686120, 750696, 823344, 938370, 1000928, 1029180, 1063486, 1251160, 1372240, 1501392, 1595229, 1646688, 1876740, 2058360, 2126972, 2502320, 2658715, 2744480, 3002784, 3190458, 3753480, 4116720, 4253944, 5004640, 5317430, 6380916, 7506960, 7976145, 8233440, 8507888, 10634860, 12761832, 15013920, 15952290, 17015776, 21269720, 25523664, 31904580, 42539440, 51047328, 63809160, 85078880, 127618320, 255236640]

約数ペア:

[(1, 255236640), (2, 127618320), (3, 85078880), (4, 63809160), (5, 51047328), (6, 42539440), (8, 31904580), (10, 25523664), (12, 21269720), (15, 17015776), (16, 15952290), (17, 15013920), (20, 12761832), (24, 10634860), (30, 8507888), (31, 8233440), (32, 7976145), (34, 7506960), (40, 6380916), (48, 5317430), (51, 5004640), (60, 4253944), (62, 4116720), (68, 3753480), (80, 3190458), (85, 3002784), (93, 2744480), (96, 2658715), (102, 2502320), (120, 2126972), (124, 2058360), (136, 1876740), (155, 1646688), (160, 1595229), (170, 1501392), (186, 1372240), (204, 1251160), (240, 1063486), (248, 1029180), (255, 1000928), (272, 938370), (310, 823344), (340, 750696), (372, 686120), (408, 625580), (465, 548896), (480, 531743), (496, 514590), (510, 500464), (527, 484320), (544, 469185), (620, 411672), (680, 375348), (744, 343060), (816, 312790), (930, 274448), (992, 257295), (1009, 252960), (1020, 250232), (1054, 242160), (1240, 205836), (1360, 187674), (1488, 171530), (1581, 161440), (1632, 156395), (1860, 137224), (2018, 126480), (2040, 125116), (2108, 121080), (2480, 102918), (2635, 96864), (2720, 93837), (2976, 85765), (3027, 84320), (3162, 80720), (3720, 68612), (4036, 63240), (4080, 62558), (4216, 60540), (4960, 51459), (5045, 50592), (5270, 48432), (6054, 42160), (6324, 40360), (7440, 34306), (7905, 32288), (8072, 31620), (8160, 31279), (8432, 30270), (10090, 25296), (10540, 24216), (12108, 21080), (12648, 20180), (14880, 17153), (15135, 16864), (15810, 16144)]