128869440

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{151}}^1$

素因数の和:305

約数の個数: 224

約数和(自身を含む): 474415104

約数和(自身を除く): 345545664

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 127, 140, 151, 160, 168, 192, 210, 224, 240, 254, 280, 302, 320, 336, 381, 420, 448, 453, 480, 508, 560, 604, 635, 672, 755, 762, 840, 889, 906, 960, 1016, 1057, 1120, 1208, 1270, 1344, 1510, 1524, 1680, 1778, 1812, 1905, 2032, 2114, 2240, 2265, 2416, 2540, 2667, 3020, 3048, 3171, 3360, 3556, 3624, 3810, 4064, 4228, 4445, 4530, 4832, 5080, 5285, 5334, 6040, 6096, 6342, 6720, 7112, 7248, 7620, 8128, 8456, 8890, 9060, 9664, 10160, 10570, 10668, 12080, 12192, 12684, 13335, 14224, 14496, 15240, 15855, 16912, 17780, 18120, 19177, 20320, 21140, 21336, 24160, 24384, 25368, 26670, 28448, 28992, 30480, 31710, 33824, 35560, 36240, 38354, 40640, 42280, 42672, 48320, 50736, 53340, 56896, 57531, 60960, 63420, 67648, 71120, 72480, 76708, 84560, 85344, 95885, 101472, 106680, 115062, 121920, 126840, 134239, 142240, 144960, 153416, 169120, 170688, 191770, 202944, 213360, 230124, 253680, 268478, 284480, 287655, 306832, 338240, 383540, 402717, 426720, 460248, 507360, 536956, 575310, 613664, 671195, 767080, 805434, 853440, 920496, 1014720, 1073912, 1150620, 1227328, 1342390, 1534160, 1610868, 1840992, 2013585, 2147824, 2301240, 2684780, 3068320, 3221736, 3681984, 4027170, 4295648, 4602480, 5369560, 6136640, 6443472, 8054340, 8591296, 9204960, 10739120, 12886944, 16108680, 18409920, 21478240, 25773888, 32217360, 42956480, 64434720, 128869440]

約数ペア:

[(1, 128869440), (2, 64434720), (3, 42956480), (4, 32217360), (5, 25773888), (6, 21478240), (7, 18409920), (8, 16108680), (10, 12886944), (12, 10739120), (14, 9204960), (15, 8591296), (16, 8054340), (20, 6443472), (21, 6136640), (24, 5369560), (28, 4602480), (30, 4295648), (32, 4027170), (35, 3681984), (40, 3221736), (42, 3068320), (48, 2684780), (56, 2301240), (60, 2147824), (64, 2013585), (70, 1840992), (80, 1610868), (84, 1534160), (96, 1342390), (105, 1227328), (112, 1150620), (120, 1073912), (127, 1014720), (140, 920496), (151, 853440), (160, 805434), (168, 767080), (192, 671195), (210, 613664), (224, 575310), (240, 536956), (254, 507360), (280, 460248), (302, 426720), (320, 402717), (336, 383540), (381, 338240), (420, 306832), (448, 287655), (453, 284480), (480, 268478), (508, 253680), (560, 230124), (604, 213360), (635, 202944), (672, 191770), (755, 170688), (762, 169120), (840, 153416), (889, 144960), (906, 142240), (960, 134239), (1016, 126840), (1057, 121920), (1120, 115062), (1208, 106680), (1270, 101472), (1344, 95885), (1510, 85344), (1524, 84560), (1680, 76708), (1778, 72480), (1812, 71120), (1905, 67648), (2032, 63420), (2114, 60960), (2240, 57531), (2265, 56896), (2416, 53340), (2540, 50736), (2667, 48320), (3020, 42672), (3048, 42280), (3171, 40640), (3360, 38354), (3556, 36240), (3624, 35560), (3810, 33824), (4064, 31710), (4228, 30480), (4445, 28992), (4530, 28448), (4832, 26670), (5080, 25368), (5285, 24384), (5334, 24160), (6040, 21336), (6096, 21140), (6342, 20320), (6720, 19177), (7112, 18120), (7248, 17780), (7620, 16912), (8128, 15855), (8456, 15240), (8890, 14496), (9060, 14224), (9664, 13335), (10160, 12684), (10570, 12192), (10668, 12080)]