1288884480

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25819}}^1$

素因数の和:25856

約数の個数: 144

約数和(自身を含む): 4433190720

約数和(自身を除く): 3144306240

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, 24960, 25819, 49920, 51638, 77457, 103276, 129095, 154914, 206552, 258190, 309828, 335647, 387285, 413104, 516380, 619656, 671294, 774570, 826208, 1006941, 1032760, 1239312, 1342588, 1549140, 1652416, 1678235, 2013882, 2065520, 2478624, 2685176, 3098280, 3304832, 3356470, 4027764, 4131040, 4957248, 5034705, 5370352, 6196560, 6609664, 6712940, 8055528, 8262080, 9914496, 10069410, 10740704, 12393120, 13425880, 16111056, 16524160, 19828992, 20138820, 21481408, 24786240, 26851760, 32222112, 33048320, 40277640, 42962816, 49572480, 53703520, 64444224, 80555280, 85925632, 99144960, 107407040, 128888448, 161110560, 214814080, 257776896, 322221120, 429628160, 644442240, 1288884480]

約数ペア:

[(1, 1288884480), (2, 644442240), (3, 429628160), (4, 322221120), (5, 257776896), (6, 214814080), (8, 161110560), (10, 128888448), (12, 107407040), (13, 99144960), (15, 85925632), (16, 80555280), (20, 64444224), (24, 53703520), (26, 49572480), (30, 42962816), (32, 40277640), (39, 33048320), (40, 32222112), (48, 26851760), (52, 24786240), (60, 21481408), (64, 20138820), (65, 19828992), (78, 16524160), (80, 16111056), (96, 13425880), (104, 12393120), (120, 10740704), (128, 10069410), (130, 9914496), (156, 8262080), (160, 8055528), (192, 6712940), (195, 6609664), (208, 6196560), (240, 5370352), (256, 5034705), (260, 4957248), (312, 4131040), (320, 4027764), (384, 3356470), (390, 3304832), (416, 3098280), (480, 2685176), (520, 2478624), (624, 2065520), (640, 2013882), (768, 1678235), (780, 1652416), (832, 1549140), (960, 1342588), (1040, 1239312), (1248, 1032760), (1280, 1006941), (1560, 826208), (1664, 774570), (1920, 671294), (2080, 619656), (2496, 516380), (3120, 413104), (3328, 387285), (3840, 335647), (4160, 309828), (4992, 258190), (6240, 206552), (8320, 154914), (9984, 129095), (12480, 103276), (16640, 77457), (24960, 51638), (25819, 49920)]