81853440

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{73}}^2$

素因数の和:174

約数の個数: 132

約数和(自身を含む): 265438584

約数和(自身を除く): 183585144

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 73, 80, 96, 120, 128, 146, 160, 192, 219, 240, 256, 292, 320, 365, 384, 438, 480, 512, 584, 640, 730, 768, 876, 960, 1024, 1095, 1168, 1280, 1460, 1536, 1752, 1920, 2190, 2336, 2560, 2920, 3072, 3504, 3840, 4380, 4672, 5120, 5329, 5840, 7008, 7680, 8760, 9344, 10658, 11680, 14016, 15360, 15987, 17520, 18688, 21316, 23360, 26645, 28032, 31974, 35040, 37376, 42632, 46720, 53290, 56064, 63948, 70080, 74752, 79935, 85264, 93440, 106580, 112128, 127896, 140160, 159870, 170528, 186880, 213160, 224256, 255792, 280320, 319740, 341056, 373760, 426320, 511584, 560640, 639480, 682112, 852640, 1023168, 1121280, 1278960, 1364224, 1705280, 2046336, 2557920, 2728448, 3410560, 4092672, 5115840, 5456896, 6821120, 8185344, 10231680, 13642240, 16370688, 20463360, 27284480, 40926720, 81853440]

約数ペア:

[(1, 81853440), (2, 40926720), (3, 27284480), (4, 20463360), (5, 16370688), (6, 13642240), (8, 10231680), (10, 8185344), (12, 6821120), (15, 5456896), (16, 5115840), (20, 4092672), (24, 3410560), (30, 2728448), (32, 2557920), (40, 2046336), (48, 1705280), (60, 1364224), (64, 1278960), (73, 1121280), (80, 1023168), (96, 852640), (120, 682112), (128, 639480), (146, 560640), (160, 511584), (192, 426320), (219, 373760), (240, 341056), (256, 319740), (292, 280320), (320, 255792), (365, 224256), (384, 213160), (438, 186880), (480, 170528), (512, 159870), (584, 140160), (640, 127896), (730, 112128), (768, 106580), (876, 93440), (960, 85264), (1024, 79935), (1095, 74752), (1168, 70080), (1280, 63948), (1460, 56064), (1536, 53290), (1752, 46720), (1920, 42632), (2190, 37376), (2336, 35040), (2560, 31974), (2920, 28032), (3072, 26645), (3504, 23360), (3840, 21316), (4380, 18688), (4672, 17520), (5120, 15987), (5329, 15360), (5840, 14016), (7008, 11680), (7680, 10658), (8760, 9344)]