204627840

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{541}}^1$

素因数の和:760

約数の個数: 128

約数和(自身を含む): 656773920

約数和(自身を除く): 452146080

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, 541, 591, 640, 788, 960, 985, 1082, 1182, 1576, 1623, 1920, 1970, 2164, 2364, 2705, 2955, 3152, 3246, 3940, 4328, 4728, 5410, 5910, 6304, 6492, 7880, 8115, 8656, 9456, 10820, 11820, 12608, 12984, 15760, 16230, 17312, 18912, 21640, 23640, 25216, 25968, 31520, 32460, 34624, 37824, 43280, 47280, 51936, 63040, 64920, 69248, 75648, 86560, 94560, 103872, 106577, 126080, 129840, 173120, 189120, 207744, 213154, 259680, 319731, 346240, 378240, 426308, 519360, 532885, 639462, 852616, 1038720, 1065770, 1278924, 1598655, 1705232, 2131540, 2557848, 3197310, 3410464, 4263080, 5115696, 6394620, 6820928, 8526160, 10231392, 12789240, 13641856, 17052320, 20462784, 25578480, 34104640, 40925568, 51156960, 68209280, 102313920, 204627840]

約数ペア:

[(1, 204627840), (2, 102313920), (3, 68209280), (4, 51156960), (5, 40925568), (6, 34104640), (8, 25578480), (10, 20462784), (12, 17052320), (15, 13641856), (16, 12789240), (20, 10231392), (24, 8526160), (30, 6820928), (32, 6394620), (40, 5115696), (48, 4263080), (60, 3410464), (64, 3197310), (80, 2557848), (96, 2131540), (120, 1705232), (128, 1598655), (160, 1278924), (192, 1065770), (197, 1038720), (240, 852616), (320, 639462), (384, 532885), (394, 519360), (480, 426308), (541, 378240), (591, 346240), (640, 319731), (788, 259680), (960, 213154), (985, 207744), (1082, 189120), (1182, 173120), (1576, 129840), (1623, 126080), (1920, 106577), (1970, 103872), (2164, 94560), (2364, 86560), (2705, 75648), (2955, 69248), (3152, 64920), (3246, 63040), (3940, 51936), (4328, 47280), (4728, 43280), (5410, 37824), (5910, 34624), (6304, 32460), (6492, 31520), (7880, 25968), (8115, 25216), (8656, 23640), (9456, 21640), (10820, 18912), (11820, 17312), (12608, 16230), (12984, 15760)]