31991040

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{2777}}^1$

素因数の和:2804

約数の個数: 108

約数和(自身を含む): 110725524

約数和(自身を除く): 78734484

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, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1920, 2304, 2777, 2880, 3840, 5554, 5760, 8331, 11108, 11520, 13885, 16662, 22216, 24993, 27770, 33324, 41655, 44432, 49986, 55540, 66648, 83310, 88864, 99972, 111080, 124965, 133296, 166620, 177728, 199944, 222160, 249930, 266592, 333240, 355456, 399888, 444320, 499860, 533184, 666480, 710912, 799776, 888640, 999720, 1066368, 1332960, 1599552, 1777280, 1999440, 2132736, 2665920, 3199104, 3554560, 3998880, 5331840, 6398208, 7997760, 10663680, 15995520, 31991040]

約数ペア:

[(1, 31991040), (2, 15995520), (3, 10663680), (4, 7997760), (5, 6398208), (6, 5331840), (8, 3998880), (9, 3554560), (10, 3199104), (12, 2665920), (15, 2132736), (16, 1999440), (18, 1777280), (20, 1599552), (24, 1332960), (30, 1066368), (32, 999720), (36, 888640), (40, 799776), (45, 710912), (48, 666480), (60, 533184), (64, 499860), (72, 444320), (80, 399888), (90, 355456), (96, 333240), (120, 266592), (128, 249930), (144, 222160), (160, 199944), (180, 177728), (192, 166620), (240, 133296), (256, 124965), (288, 111080), (320, 99972), (360, 88864), (384, 83310), (480, 66648), (576, 55540), (640, 49986), (720, 44432), (768, 41655), (960, 33324), (1152, 27770), (1280, 24993), (1440, 22216), (1920, 16662), (2304, 13885), (2777, 11520), (2880, 11108), (3840, 8331), (5554, 5760)]