90405120

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1811}}^1$

素因数の和:1848

約数の個数: 144

約数和(自身を含む): 311113152

約数和(自身を除く): 220708032

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, 1811, 1920, 2080, 2496, 3120, 3328, 3622, 3840, 4160, 4992, 5433, 6240, 7244, 8320, 9055, 9984, 10866, 12480, 14488, 16640, 18110, 21732, 23543, 24960, 27165, 28976, 36220, 43464, 47086, 49920, 54330, 57952, 70629, 72440, 86928, 94172, 108660, 115904, 117715, 141258, 144880, 173856, 188344, 217320, 231808, 235430, 282516, 289760, 347712, 353145, 376688, 434640, 463616, 470860, 565032, 579520, 695424, 706290, 753376, 869280, 941720, 1130064, 1159040, 1390848, 1412580, 1506752, 1738560, 1883440, 2260128, 2318080, 2825160, 3013504, 3477120, 3766880, 4520256, 5650320, 6027008, 6954240, 7533760, 9040512, 11300640, 15067520, 18081024, 22601280, 30135040, 45202560, 90405120]

約数ペア:

[(1, 90405120), (2, 45202560), (3, 30135040), (4, 22601280), (5, 18081024), (6, 15067520), (8, 11300640), (10, 9040512), (12, 7533760), (13, 6954240), (15, 6027008), (16, 5650320), (20, 4520256), (24, 3766880), (26, 3477120), (30, 3013504), (32, 2825160), (39, 2318080), (40, 2260128), (48, 1883440), (52, 1738560), (60, 1506752), (64, 1412580), (65, 1390848), (78, 1159040), (80, 1130064), (96, 941720), (104, 869280), (120, 753376), (128, 706290), (130, 695424), (156, 579520), (160, 565032), (192, 470860), (195, 463616), (208, 434640), (240, 376688), (256, 353145), (260, 347712), (312, 289760), (320, 282516), (384, 235430), (390, 231808), (416, 217320), (480, 188344), (520, 173856), (624, 144880), (640, 141258), (768, 117715), (780, 115904), (832, 108660), (960, 94172), (1040, 86928), (1248, 72440), (1280, 70629), (1560, 57952), (1664, 54330), (1811, 49920), (1920, 47086), (2080, 43464), (2496, 36220), (3120, 28976), (3328, 27165), (3622, 24960), (3840, 23543), (4160, 21732), (4992, 18110), (5433, 16640), (6240, 14488), (7244, 12480), (8320, 10866), (9055, 9984)]