197819520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{523}}^1$

素因数の和:742

約数の個数: 128

約数和(自身を含む): 634962240

約数和(自身を除く): 437142720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 197, 240, 320, 384, 394, 480, 523, 591, 640, 788, 960, 985, 1046, 1182, 1569, 1576, 1920, 1970, 2092, 2364, 2615, 2955, 3138, 3152, 3940, 4184, 4728, 5230, 5910, 6276, 6304, 7845, 7880, 8368, 9456, 10460, 11820, 12552, 12608, 15690, 15760, 16736, 18912, 20920, 23640, 25104, 25216, 31380, 31520, 33472, 37824, 41840, 47280, 50208, 62760, 63040, 66944, 75648, 83680, 94560, 100416, 103031, 125520, 126080, 167360, 189120, 200832, 206062, 251040, 309093, 334720, 378240, 412124, 502080, 515155, 618186, 824248, 1004160, 1030310, 1236372, 1545465, 1648496, 2060620, 2472744, 3090930, 3296992, 4121240, 4945488, 6181860, 6593984, 8242480, 9890976, 12363720, 13187968, 16484960, 19781952, 24727440, 32969920, 39563904, 49454880, 65939840, 98909760, 197819520]

約数ペア:

[(1, 197819520), (2, 98909760), (3, 65939840), (4, 49454880), (5, 39563904), (6, 32969920), (8, 24727440), (10, 19781952), (12, 16484960), (15, 13187968), (16, 12363720), (20, 9890976), (24, 8242480), (30, 6593984), (32, 6181860), (40, 4945488), (48, 4121240), (60, 3296992), (64, 3090930), (80, 2472744), (96, 2060620), (120, 1648496), (128, 1545465), (160, 1236372), (192, 1030310), (197, 1004160), (240, 824248), (320, 618186), (384, 515155), (394, 502080), (480, 412124), (523, 378240), (591, 334720), (640, 309093), (788, 251040), (960, 206062), (985, 200832), (1046, 189120), (1182, 167360), (1569, 126080), (1576, 125520), (1920, 103031), (1970, 100416), (2092, 94560), (2364, 83680), (2615, 75648), (2955, 66944), (3138, 63040), (3152, 62760), (3940, 50208), (4184, 47280), (4728, 41840), (5230, 37824), (5910, 33472), (6276, 31520), (6304, 31380), (7845, 25216), (7880, 25104), (8368, 23640), (9456, 20920), (10460, 18912), (11820, 16736), (12552, 15760), (12608, 15690)]