491120640

素因数分解:

$2^{11}\times 3^2\times 5^1\times {\mathrm{73}}^2$

素因数の和:179

約数の個数: 216

約数和(自身を含む): 1725772230

約数和(自身を除く): 1234651590

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 73, 80, 90, 96, 120, 128, 144, 146, 160, 180, 192, 219, 240, 256, 288, 292, 320, 360, 365, 384, 438, 480, 512, 576, 584, 640, 657, 720, 730, 768, 876, 960, 1024, 1095, 1152, 1168, 1280, 1314, 1440, 1460, 1536, 1752, 1920, 2048, 2190, 2304, 2336, 2560, 2628, 2880, 2920, 3072, 3285, 3504, 3840, 4380, 4608, 4672, 5120, 5256, 5329, 5760, 5840, 6144, 6570, 7008, 7680, 8760, 9216, 9344, 10240, 10512, 10658, 11520, 11680, 13140, 14016, 15360, 15987, 17520, 18432, 18688, 21024, 21316, 23040, 23360, 26280, 26645, 28032, 30720, 31974, 35040, 37376, 42048, 42632, 46080, 46720, 47961, 52560, 53290, 56064, 63948, 70080, 74752, 79935, 84096, 85264, 92160, 93440, 95922, 105120, 106580, 112128, 127896, 140160, 149504, 159870, 168192, 170528, 186880, 191844, 210240, 213160, 224256, 239805, 255792, 280320, 319740, 336384, 341056, 373760, 383688, 420480, 426320, 448512, 479610, 511584, 560640, 639480, 672768, 682112, 747520, 767376, 840960, 852640, 959220, 1023168, 1121280, 1278960, 1345536, 1364224, 1534752, 1681920, 1705280, 1918440, 2046336, 2242560, 2557920, 2728448, 3069504, 3363840, 3410560, 3836880, 4092672, 5115840, 5456896, 6139008, 6727680, 6821120, 7673760, 8185344, 10231680, 10913792, 12278016, 13642240, 15347520, 16370688, 20463360, 24556032, 27284480, 30695040, 32741376, 40926720, 49112064, 54568960, 61390080, 81853440, 98224128, 122780160, 163706880, 245560320, 491120640]

約数ペア:

[(1, 491120640), (2, 245560320), (3, 163706880), (4, 122780160), (5, 98224128), (6, 81853440), (8, 61390080), (9, 54568960), (10, 49112064), (12, 40926720), (15, 32741376), (16, 30695040), (18, 27284480), (20, 24556032), (24, 20463360), (30, 16370688), (32, 15347520), (36, 13642240), (40, 12278016), (45, 10913792), (48, 10231680), (60, 8185344), (64, 7673760), (72, 6821120), (73, 6727680), (80, 6139008), (90, 5456896), (96, 5115840), (120, 4092672), (128, 3836880), (144, 3410560), (146, 3363840), (160, 3069504), (180, 2728448), (192, 2557920), (219, 2242560), (240, 2046336), (256, 1918440), (288, 1705280), (292, 1681920), (320, 1534752), (360, 1364224), (365, 1345536), (384, 1278960), (438, 1121280), (480, 1023168), (512, 959220), (576, 852640), (584, 840960), (640, 767376), (657, 747520), (720, 682112), (730, 672768), (768, 639480), (876, 560640), (960, 511584), (1024, 479610), (1095, 448512), (1152, 426320), (1168, 420480), (1280, 383688), (1314, 373760), (1440, 341056), (1460, 336384), (1536, 319740), (1752, 280320), (1920, 255792), (2048, 239805), (2190, 224256), (2304, 213160), (2336, 210240), (2560, 191844), (2628, 186880), (2880, 170528), (2920, 168192), (3072, 159870), (3285, 149504), (3504, 140160), (3840, 127896), (4380, 112128), (4608, 106580), (4672, 105120), (5120, 95922), (5256, 93440), (5329, 92160), (5760, 85264), (5840, 84096), (6144, 79935), (6570, 74752), (7008, 70080), (7680, 63948), (8760, 56064), (9216, 53290), (9344, 52560), (10240, 47961), (10512, 46720), (10658, 46080), (11520, 42632), (11680, 42048), (13140, 37376), (14016, 35040), (15360, 31974), (15987, 30720), (17520, 28032), (18432, 26645), (18688, 26280), (21024, 23360), (21316, 23040)]