64538880

素因数分解:

$2^8\times 3^1\times 5^1\times 7^5$

素因数の和:59

約数の個数: 216

約数和(自身を含む): 240472512

約数和(自身を除く): 175933632

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, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 128, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 256, 280, 294, 320, 336, 343, 384, 392, 420, 448, 480, 490, 560, 588, 640, 672, 686, 735, 768, 784, 840, 896, 960, 980, 1029, 1120, 1176, 1280, 1344, 1372, 1470, 1568, 1680, 1715, 1792, 1920, 1960, 2058, 2240, 2352, 2401, 2688, 2744, 2940, 3136, 3360, 3430, 3840, 3920, 4116, 4480, 4704, 4802, 5145, 5376, 5488, 5880, 6272, 6720, 6860, 7203, 7840, 8232, 8960, 9408, 9604, 10290, 10976, 11760, 12005, 12544, 13440, 13720, 14406, 15680, 16464, 16807, 18816, 19208, 20580, 21952, 23520, 24010, 26880, 27440, 28812, 31360, 32928, 33614, 36015, 37632, 38416, 41160, 43904, 47040, 48020, 50421, 54880, 57624, 62720, 65856, 67228, 72030, 76832, 82320, 84035, 87808, 94080, 96040, 100842, 109760, 115248, 131712, 134456, 144060, 153664, 164640, 168070, 188160, 192080, 201684, 219520, 230496, 252105, 263424, 268912, 288120, 307328, 329280, 336140, 384160, 403368, 439040, 460992, 504210, 537824, 576240, 614656, 658560, 672280, 768320, 806736, 921984, 1008420, 1075648, 1152480, 1317120, 1344560, 1536640, 1613472, 1843968, 2016840, 2151296, 2304960, 2689120, 3073280, 3226944, 4033680, 4302592, 4609920, 5378240, 6453888, 8067360, 9219840, 10756480, 12907776, 16134720, 21512960, 32269440, 64538880]

約数ペア:

[(1, 64538880), (2, 32269440), (3, 21512960), (4, 16134720), (5, 12907776), (6, 10756480), (7, 9219840), (8, 8067360), (10, 6453888), (12, 5378240), (14, 4609920), (15, 4302592), (16, 4033680), (20, 3226944), (21, 3073280), (24, 2689120), (28, 2304960), (30, 2151296), (32, 2016840), (35, 1843968), (40, 1613472), (42, 1536640), (48, 1344560), (49, 1317120), (56, 1152480), (60, 1075648), (64, 1008420), (70, 921984), (80, 806736), (84, 768320), (96, 672280), (98, 658560), (105, 614656), (112, 576240), (120, 537824), (128, 504210), (140, 460992), (147, 439040), (160, 403368), (168, 384160), (192, 336140), (196, 329280), (210, 307328), (224, 288120), (240, 268912), (245, 263424), (256, 252105), (280, 230496), (294, 219520), (320, 201684), (336, 192080), (343, 188160), (384, 168070), (392, 164640), (420, 153664), (448, 144060), (480, 134456), (490, 131712), (560, 115248), (588, 109760), (640, 100842), (672, 96040), (686, 94080), (735, 87808), (768, 84035), (784, 82320), (840, 76832), (896, 72030), (960, 67228), (980, 65856), (1029, 62720), (1120, 57624), (1176, 54880), (1280, 50421), (1344, 48020), (1372, 47040), (1470, 43904), (1568, 41160), (1680, 38416), (1715, 37632), (1792, 36015), (1920, 33614), (1960, 32928), (2058, 31360), (2240, 28812), (2352, 27440), (2401, 26880), (2688, 24010), (2744, 23520), (2940, 21952), (3136, 20580), (3360, 19208), (3430, 18816), (3840, 16807), (3920, 16464), (4116, 15680), (4480, 14406), (4704, 13720), (4802, 13440), (5145, 12544), (5376, 12005), (5488, 11760), (5880, 10976), (6272, 10290), (6720, 9604), (6860, 9408), (7203, 8960), (7840, 8232)]