257688720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{569}}^1$

素因数の和:642

約数の個数: 240

約数和(自身を含む): 942729840

約数和(自身を除く): 685041120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 34, 36, 37, 40, 45, 48, 51, 60, 68, 72, 74, 80, 85, 90, 102, 111, 120, 136, 144, 148, 153, 170, 180, 185, 204, 222, 240, 255, 272, 296, 306, 333, 340, 360, 370, 408, 444, 510, 555, 569, 592, 612, 629, 666, 680, 720, 740, 765, 816, 888, 1020, 1110, 1138, 1224, 1258, 1332, 1360, 1480, 1530, 1665, 1707, 1776, 1887, 2040, 2220, 2276, 2448, 2516, 2664, 2845, 2960, 3060, 3145, 3330, 3414, 3774, 4080, 4440, 4552, 5032, 5121, 5328, 5661, 5690, 6120, 6290, 6660, 6828, 7548, 8535, 8880, 9104, 9435, 9673, 10064, 10242, 11322, 11380, 12240, 12580, 13320, 13656, 15096, 17070, 18870, 19346, 20484, 21053, 22644, 22760, 25160, 25605, 26640, 27312, 28305, 29019, 30192, 34140, 37740, 38692, 40968, 42106, 45288, 45520, 48365, 50320, 51210, 56610, 58038, 63159, 68280, 75480, 77384, 81936, 84212, 87057, 90576, 96730, 102420, 105265, 113220, 116076, 126318, 136560, 145095, 150960, 154768, 168424, 174114, 189477, 193460, 204840, 210530, 226440, 232152, 252636, 290190, 315795, 336848, 348228, 357901, 378954, 386920, 409680, 421060, 435285, 452880, 464304, 505272, 580380, 631590, 696456, 715802, 757908, 773840, 842120, 870570, 947385, 1010544, 1073703, 1160760, 1263180, 1392912, 1431604, 1515816, 1684240, 1741140, 1789505, 1894770, 2147406, 2321520, 2526360, 2863208, 3031632, 3221109, 3482280, 3579010, 3789540, 4294812, 5052720, 5368515, 5726416, 6442218, 6964560, 7158020, 7579080, 8589624, 10737030, 12884436, 14316040, 15158160, 16105545, 17179248, 21474060, 25768872, 28632080, 32211090, 42948120, 51537744, 64422180, 85896240, 128844360, 257688720]

約数ペア:

[(1, 257688720), (2, 128844360), (3, 85896240), (4, 64422180), (5, 51537744), (6, 42948120), (8, 32211090), (9, 28632080), (10, 25768872), (12, 21474060), (15, 17179248), (16, 16105545), (17, 15158160), (18, 14316040), (20, 12884436), (24, 10737030), (30, 8589624), (34, 7579080), (36, 7158020), (37, 6964560), (40, 6442218), (45, 5726416), (48, 5368515), (51, 5052720), (60, 4294812), (68, 3789540), (72, 3579010), (74, 3482280), (80, 3221109), (85, 3031632), (90, 2863208), (102, 2526360), (111, 2321520), (120, 2147406), (136, 1894770), (144, 1789505), (148, 1741140), (153, 1684240), (170, 1515816), (180, 1431604), (185, 1392912), (204, 1263180), (222, 1160760), (240, 1073703), (255, 1010544), (272, 947385), (296, 870570), (306, 842120), (333, 773840), (340, 757908), (360, 715802), (370, 696456), (408, 631590), (444, 580380), (510, 505272), (555, 464304), (569, 452880), (592, 435285), (612, 421060), (629, 409680), (666, 386920), (680, 378954), (720, 357901), (740, 348228), (765, 336848), (816, 315795), (888, 290190), (1020, 252636), (1110, 232152), (1138, 226440), (1224, 210530), (1258, 204840), (1332, 193460), (1360, 189477), (1480, 174114), (1530, 168424), (1665, 154768), (1707, 150960), (1776, 145095), (1887, 136560), (2040, 126318), (2220, 116076), (2276, 113220), (2448, 105265), (2516, 102420), (2664, 96730), (2845, 90576), (2960, 87057), (3060, 84212), (3145, 81936), (3330, 77384), (3414, 75480), (3774, 68280), (4080, 63159), (4440, 58038), (4552, 56610), (5032, 51210), (5121, 50320), (5328, 48365), (5661, 45520), (5690, 45288), (6120, 42106), (6290, 40968), (6660, 38692), (6828, 37740), (7548, 34140), (8535, 30192), (8880, 29019), (9104, 28305), (9435, 27312), (9673, 26640), (10064, 25605), (10242, 25160), (11322, 22760), (11380, 22644), (12240, 21053), (12580, 20484), (13320, 19346), (13656, 18870), (15096, 17070)]