420024640

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:253

約数の個数: 224

約数和(自身を含む): 1228953600

約数和(自身を除く): 808928960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 71, 76, 80, 95, 112, 133, 139, 140, 142, 152, 160, 190, 224, 266, 278, 280, 284, 304, 320, 355, 380, 448, 497, 532, 556, 560, 568, 608, 665, 695, 710, 760, 973, 994, 1064, 1112, 1120, 1136, 1216, 1330, 1349, 1390, 1420, 1520, 1946, 1988, 2128, 2224, 2240, 2272, 2485, 2641, 2660, 2698, 2780, 2840, 3040, 3892, 3976, 4256, 4448, 4544, 4865, 4970, 5282, 5320, 5396, 5560, 5680, 6080, 6745, 7784, 7952, 8512, 8896, 9443, 9730, 9869, 9940, 10564, 10640, 10792, 11120, 11360, 13205, 13490, 15568, 15904, 18487, 18886, 19460, 19738, 19880, 21128, 21280, 21584, 22240, 22720, 26410, 26980, 31136, 31808, 36974, 37772, 38920, 39476, 39760, 42256, 42560, 43168, 44480, 47215, 49345, 52820, 53960, 62272, 69083, 73948, 75544, 77840, 78952, 79520, 84512, 86336, 92435, 94430, 98690, 105640, 107920, 138166, 147896, 151088, 155680, 157904, 159040, 169024, 184870, 187511, 188860, 197380, 211280, 215840, 276332, 295792, 302176, 311360, 315808, 345415, 369740, 375022, 377720, 394760, 422560, 431680, 552664, 591584, 604352, 631616, 690830, 739480, 750044, 755440, 789520, 845120, 937555, 1105328, 1183168, 1312577, 1381660, 1478960, 1500088, 1510880, 1579040, 1875110, 2210656, 2625154, 2763320, 2957920, 3000176, 3021760, 3158080, 3750220, 4421312, 5250308, 5526640, 5915840, 6000352, 6562885, 7500440, 10500616, 11053280, 12000704, 13125770, 15000880, 21001232, 22106560, 26251540, 30001760, 42002464, 52503080, 60003520, 84004928, 105006160, 210012320, 420024640]

約数ペア:

[(1, 420024640), (2, 210012320), (4, 105006160), (5, 84004928), (7, 60003520), (8, 52503080), (10, 42002464), (14, 30001760), (16, 26251540), (19, 22106560), (20, 21001232), (28, 15000880), (32, 13125770), (35, 12000704), (38, 11053280), (40, 10500616), (56, 7500440), (64, 6562885), (70, 6000352), (71, 5915840), (76, 5526640), (80, 5250308), (95, 4421312), (112, 3750220), (133, 3158080), (139, 3021760), (140, 3000176), (142, 2957920), (152, 2763320), (160, 2625154), (190, 2210656), (224, 1875110), (266, 1579040), (278, 1510880), (280, 1500088), (284, 1478960), (304, 1381660), (320, 1312577), (355, 1183168), (380, 1105328), (448, 937555), (497, 845120), (532, 789520), (556, 755440), (560, 750044), (568, 739480), (608, 690830), (665, 631616), (695, 604352), (710, 591584), (760, 552664), (973, 431680), (994, 422560), (1064, 394760), (1112, 377720), (1120, 375022), (1136, 369740), (1216, 345415), (1330, 315808), (1349, 311360), (1390, 302176), (1420, 295792), (1520, 276332), (1946, 215840), (1988, 211280), (2128, 197380), (2224, 188860), (2240, 187511), (2272, 184870), (2485, 169024), (2641, 159040), (2660, 157904), (2698, 155680), (2780, 151088), (2840, 147896), (3040, 138166), (3892, 107920), (3976, 105640), (4256, 98690), (4448, 94430), (4544, 92435), (4865, 86336), (4970, 84512), (5282, 79520), (5320, 78952), (5396, 77840), (5560, 75544), (5680, 73948), (6080, 69083), (6745, 62272), (7784, 53960), (7952, 52820), (8512, 49345), (8896, 47215), (9443, 44480), (9730, 43168), (9869, 42560), (9940, 42256), (10564, 39760), (10640, 39476), (10792, 38920), (11120, 37772), (11360, 36974), (13205, 31808), (13490, 31136), (15568, 26980), (15904, 26410), (18487, 22720), (18886, 22240), (19460, 21584), (19738, 21280), (19880, 21128)]