28404480

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{569}}^1$

素因数の和:606

約数の個数: 144

約数和(自身を含む): 97866720

約数和(自身を除く): 69462240

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, 569, 624, 640, 768, 780, 832, 960, 1040, 1138, 1248, 1280, 1560, 1664, 1707, 1920, 2080, 2276, 2496, 2845, 3120, 3328, 3414, 3840, 4160, 4552, 4992, 5690, 6240, 6828, 7397, 8320, 8535, 9104, 9984, 11380, 12480, 13656, 14794, 16640, 17070, 18208, 22191, 22760, 24960, 27312, 29588, 34140, 36416, 36985, 44382, 45520, 49920, 54624, 59176, 68280, 72832, 73970, 88764, 91040, 109248, 110955, 118352, 136560, 145664, 147940, 177528, 182080, 218496, 221910, 236704, 273120, 295880, 355056, 364160, 436992, 443820, 473408, 546240, 591760, 710112, 728320, 887640, 946816, 1092480, 1183520, 1420224, 1775280, 1893632, 2184960, 2367040, 2840448, 3550560, 4734080, 5680896, 7101120, 9468160, 14202240, 28404480]

約数ペア:

[(1, 28404480), (2, 14202240), (3, 9468160), (4, 7101120), (5, 5680896), (6, 4734080), (8, 3550560), (10, 2840448), (12, 2367040), (13, 2184960), (15, 1893632), (16, 1775280), (20, 1420224), (24, 1183520), (26, 1092480), (30, 946816), (32, 887640), (39, 728320), (40, 710112), (48, 591760), (52, 546240), (60, 473408), (64, 443820), (65, 436992), (78, 364160), (80, 355056), (96, 295880), (104, 273120), (120, 236704), (128, 221910), (130, 218496), (156, 182080), (160, 177528), (192, 147940), (195, 145664), (208, 136560), (240, 118352), (256, 110955), (260, 109248), (312, 91040), (320, 88764), (384, 73970), (390, 72832), (416, 68280), (480, 59176), (520, 54624), (569, 49920), (624, 45520), (640, 44382), (768, 36985), (780, 36416), (832, 34140), (960, 29588), (1040, 27312), (1138, 24960), (1248, 22760), (1280, 22191), (1560, 18208), (1664, 17070), (1707, 16640), (1920, 14794), (2080, 13656), (2276, 12480), (2496, 11380), (2845, 9984), (3120, 9104), (3328, 8535), (3414, 8320), (3840, 7397), (4160, 6828), (4552, 6240), (4992, 5690)]