778477440

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31189}}^1$

素因数の和:31224

約数の個数: 128

約数和(自身を含む): 2672359200

約数和(自身を除く): 1893881760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 780, 832, 960, 1040, 1248, 1560, 1664, 1920, 2080, 2496, 3120, 4160, 4992, 6240, 8320, 12480, 24960, 31189, 62378, 93567, 124756, 155945, 187134, 249512, 311890, 374268, 405457, 467835, 499024, 623780, 748536, 810914, 935670, 998048, 1216371, 1247560, 1497072, 1621828, 1871340, 1996096, 2027285, 2432742, 2495120, 2994144, 3243656, 3742680, 3992192, 4054570, 4865484, 4990240, 5988288, 6081855, 6487312, 7485360, 8109140, 9730968, 9980480, 11976576, 12163710, 12974624, 14970720, 16218280, 19461936, 19960960, 24327420, 25949248, 29941440, 32436560, 38923872, 48654840, 51898496, 59882880, 64873120, 77847744, 97309680, 129746240, 155695488, 194619360, 259492480, 389238720, 778477440]

約数ペア:

[(1, 778477440), (2, 389238720), (3, 259492480), (4, 194619360), (5, 155695488), (6, 129746240), (8, 97309680), (10, 77847744), (12, 64873120), (13, 59882880), (15, 51898496), (16, 48654840), (20, 38923872), (24, 32436560), (26, 29941440), (30, 25949248), (32, 24327420), (39, 19960960), (40, 19461936), (48, 16218280), (52, 14970720), (60, 12974624), (64, 12163710), (65, 11976576), (78, 9980480), (80, 9730968), (96, 8109140), (104, 7485360), (120, 6487312), (128, 6081855), (130, 5988288), (156, 4990240), (160, 4865484), (192, 4054570), (195, 3992192), (208, 3742680), (240, 3243656), (260, 2994144), (312, 2495120), (320, 2432742), (384, 2027285), (390, 1996096), (416, 1871340), (480, 1621828), (520, 1497072), (624, 1247560), (640, 1216371), (780, 998048), (832, 935670), (960, 810914), (1040, 748536), (1248, 623780), (1560, 499024), (1664, 467835), (1920, 405457), (2080, 374268), (2496, 311890), (3120, 249512), (4160, 187134), (4992, 155945), (6240, 124756), (8320, 93567), (12480, 62378), (24960, 31189)]