254820480

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1$

素因数の和:287

約数の個数: 256

約数和(自身を含む): 887448960

約数和(自身を除く): 632628480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 37, 40, 48, 51, 60, 64, 68, 74, 80, 85, 96, 102, 111, 120, 128, 136, 148, 160, 170, 185, 192, 204, 211, 222, 240, 255, 272, 296, 320, 340, 370, 384, 408, 422, 444, 480, 510, 544, 555, 592, 629, 633, 640, 680, 740, 816, 844, 888, 960, 1020, 1055, 1088, 1110, 1184, 1258, 1266, 1360, 1480, 1632, 1688, 1776, 1887, 1920, 2040, 2110, 2176, 2220, 2368, 2516, 2532, 2720, 2960, 3145, 3165, 3264, 3376, 3552, 3587, 3774, 4080, 4220, 4440, 4736, 5032, 5064, 5440, 5920, 6290, 6330, 6528, 6752, 7104, 7174, 7548, 7807, 8160, 8440, 8880, 9435, 10064, 10128, 10761, 10880, 11840, 12580, 12660, 13504, 14208, 14348, 15096, 15614, 16320, 16880, 17760, 17935, 18870, 20128, 20256, 21522, 23421, 23680, 25160, 25320, 27008, 28696, 30192, 31228, 32640, 33760, 35520, 35870, 37740, 39035, 40256, 40512, 43044, 46842, 50320, 50640, 53805, 57392, 60384, 62456, 67520, 71040, 71740, 75480, 78070, 80512, 81024, 86088, 93684, 100640, 101280, 107610, 114784, 117105, 120768, 124912, 132719, 135040, 143480, 150960, 156140, 172176, 187368, 201280, 202560, 215220, 229568, 234210, 241536, 249824, 265438, 286960, 301920, 312280, 344352, 374736, 398157, 402560, 405120, 430440, 459136, 468420, 499648, 530876, 573920, 603840, 624560, 663595, 688704, 749472, 796314, 860880, 936840, 999296, 1061752, 1147840, 1207680, 1249120, 1327190, 1377408, 1498944, 1592628, 1721760, 1873680, 1990785, 2123504, 2295680, 2498240, 2654380, 2997888, 3185256, 3443520, 3747360, 3981570, 4247008, 4996480, 5308760, 6370512, 6887040, 7494720, 7963140, 8494016, 10617520, 12741024, 14989440, 15926280, 16988032, 21235040, 25482048, 31852560, 42470080, 50964096, 63705120, 84940160, 127410240, 254820480]

約数ペア:

[(1, 254820480), (2, 127410240), (3, 84940160), (4, 63705120), (5, 50964096), (6, 42470080), (8, 31852560), (10, 25482048), (12, 21235040), (15, 16988032), (16, 15926280), (17, 14989440), (20, 12741024), (24, 10617520), (30, 8494016), (32, 7963140), (34, 7494720), (37, 6887040), (40, 6370512), (48, 5308760), (51, 4996480), (60, 4247008), (64, 3981570), (68, 3747360), (74, 3443520), (80, 3185256), (85, 2997888), (96, 2654380), (102, 2498240), (111, 2295680), (120, 2123504), (128, 1990785), (136, 1873680), (148, 1721760), (160, 1592628), (170, 1498944), (185, 1377408), (192, 1327190), (204, 1249120), (211, 1207680), (222, 1147840), (240, 1061752), (255, 999296), (272, 936840), (296, 860880), (320, 796314), (340, 749472), (370, 688704), (384, 663595), (408, 624560), (422, 603840), (444, 573920), (480, 530876), (510, 499648), (544, 468420), (555, 459136), (592, 430440), (629, 405120), (633, 402560), (640, 398157), (680, 374736), (740, 344352), (816, 312280), (844, 301920), (888, 286960), (960, 265438), (1020, 249824), (1055, 241536), (1088, 234210), (1110, 229568), (1184, 215220), (1258, 202560), (1266, 201280), (1360, 187368), (1480, 172176), (1632, 156140), (1688, 150960), (1776, 143480), (1887, 135040), (1920, 132719), (2040, 124912), (2110, 120768), (2176, 117105), (2220, 114784), (2368, 107610), (2516, 101280), (2532, 100640), (2720, 93684), (2960, 86088), (3145, 81024), (3165, 80512), (3264, 78070), (3376, 75480), (3552, 71740), (3587, 71040), (3774, 67520), (4080, 62456), (4220, 60384), (4440, 57392), (4736, 53805), (5032, 50640), (5064, 50320), (5440, 46842), (5920, 43044), (6290, 40512), (6330, 40256), (6528, 39035), (6752, 37740), (7104, 35870), (7174, 35520), (7548, 33760), (7807, 32640), (8160, 31228), (8440, 30192), (8880, 28696), (9435, 27008), (10064, 25320), (10128, 25160), (10761, 23680), (10880, 23421), (11840, 21522), (12580, 20256), (12660, 20128), (13504, 18870), (14208, 17935), (14348, 17760), (15096, 16880), (15614, 16320)]