1218397440

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{24407}}^1$

素因数の和:24444

約数の個数: 144

約数和(自身を含む): 4190755968

約数和(自身を除く): 2972358528

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, 256, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 768, 780, 832, 960, 1040, 1248, 1280, 1560, 1664, 1920, 2080, 2496, 3120, 3328, 3840, 4160, 4992, 6240, 8320, 9984, 12480, 16640, 24407, 24960, 48814, 49920, 73221, 97628, 122035, 146442, 195256, 244070, 292884, 317291, 366105, 390512, 488140, 585768, 634582, 732210, 781024, 951873, 976280, 1171536, 1269164, 1464420, 1562048, 1586455, 1903746, 1952560, 2343072, 2538328, 2928840, 3124096, 3172910, 3807492, 3905120, 4686144, 4759365, 5076656, 5857680, 6248192, 6345820, 7614984, 7810240, 9372288, 9518730, 10153312, 11715360, 12691640, 15229968, 15620480, 18744576, 19037460, 20306624, 23430720, 25383280, 30459936, 31240960, 38074920, 40613248, 46861440, 50766560, 60919872, 76149840, 81226496, 93722880, 101533120, 121839744, 152299680, 203066240, 243679488, 304599360, 406132480, 609198720, 1218397440]

約数ペア:

[(1, 1218397440), (2, 609198720), (3, 406132480), (4, 304599360), (5, 243679488), (6, 203066240), (8, 152299680), (10, 121839744), (12, 101533120), (13, 93722880), (15, 81226496), (16, 76149840), (20, 60919872), (24, 50766560), (26, 46861440), (30, 40613248), (32, 38074920), (39, 31240960), (40, 30459936), (48, 25383280), (52, 23430720), (60, 20306624), (64, 19037460), (65, 18744576), (78, 15620480), (80, 15229968), (96, 12691640), (104, 11715360), (120, 10153312), (128, 9518730), (130, 9372288), (156, 7810240), (160, 7614984), (192, 6345820), (195, 6248192), (208, 5857680), (240, 5076656), (256, 4759365), (260, 4686144), (312, 3905120), (320, 3807492), (384, 3172910), (390, 3124096), (416, 2928840), (480, 2538328), (520, 2343072), (624, 1952560), (640, 1903746), (768, 1586455), (780, 1562048), (832, 1464420), (960, 1269164), (1040, 1171536), (1248, 976280), (1280, 951873), (1560, 781024), (1664, 732210), (1920, 634582), (2080, 585768), (2496, 488140), (3120, 390512), (3328, 366105), (3840, 317291), (4160, 292884), (4992, 244070), (6240, 195256), (8320, 146442), (9984, 122035), (12480, 97628), (16640, 73221), (24407, 49920), (24960, 48814)]