28198440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:156

約数の個数: 192

約数和(自身を含む): 98701200

約数和(自身を除く): 70502760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 29, 30, 36, 37, 40, 45, 58, 60, 72, 73, 74, 87, 90, 111, 116, 120, 145, 146, 148, 174, 180, 185, 219, 222, 232, 261, 290, 292, 296, 333, 348, 360, 365, 370, 435, 438, 444, 522, 555, 580, 584, 657, 666, 696, 730, 740, 870, 876, 888, 1044, 1073, 1095, 1110, 1160, 1305, 1314, 1332, 1460, 1480, 1665, 1740, 1752, 2088, 2117, 2146, 2190, 2220, 2610, 2628, 2664, 2701, 2920, 3219, 3285, 3330, 3480, 4234, 4292, 4380, 4440, 5220, 5256, 5365, 5402, 6351, 6438, 6570, 6660, 8103, 8468, 8584, 8760, 9657, 10440, 10585, 10730, 10804, 12702, 12876, 13140, 13320, 13505, 16095, 16206, 16936, 19053, 19314, 21170, 21460, 21608, 24309, 25404, 25752, 26280, 27010, 31755, 32190, 32412, 38106, 38628, 40515, 42340, 42920, 48285, 48618, 50808, 54020, 63510, 64380, 64824, 76212, 77256, 78329, 81030, 84680, 95265, 96570, 97236, 108040, 121545, 127020, 128760, 152424, 156658, 162060, 190530, 193140, 194472, 234987, 243090, 254040, 313316, 324120, 381060, 386280, 391645, 469974, 486180, 626632, 704961, 762120, 783290, 939948, 972360, 1174935, 1409922, 1566580, 1879896, 2349870, 2819844, 3133160, 3524805, 4699740, 5639688, 7049610, 9399480, 14099220, 28198440]

約数ペア:

[(1, 28198440), (2, 14099220), (3, 9399480), (4, 7049610), (5, 5639688), (6, 4699740), (8, 3524805), (9, 3133160), (10, 2819844), (12, 2349870), (15, 1879896), (18, 1566580), (20, 1409922), (24, 1174935), (29, 972360), (30, 939948), (36, 783290), (37, 762120), (40, 704961), (45, 626632), (58, 486180), (60, 469974), (72, 391645), (73, 386280), (74, 381060), (87, 324120), (90, 313316), (111, 254040), (116, 243090), (120, 234987), (145, 194472), (146, 193140), (148, 190530), (174, 162060), (180, 156658), (185, 152424), (219, 128760), (222, 127020), (232, 121545), (261, 108040), (290, 97236), (292, 96570), (296, 95265), (333, 84680), (348, 81030), (360, 78329), (365, 77256), (370, 76212), (435, 64824), (438, 64380), (444, 63510), (522, 54020), (555, 50808), (580, 48618), (584, 48285), (657, 42920), (666, 42340), (696, 40515), (730, 38628), (740, 38106), (870, 32412), (876, 32190), (888, 31755), (1044, 27010), (1073, 26280), (1095, 25752), (1110, 25404), (1160, 24309), (1305, 21608), (1314, 21460), (1332, 21170), (1460, 19314), (1480, 19053), (1665, 16936), (1740, 16206), (1752, 16095), (2088, 13505), (2117, 13320), (2146, 13140), (2190, 12876), (2220, 12702), (2610, 10804), (2628, 10730), (2664, 10585), (2701, 10440), (2920, 9657), (3219, 8760), (3285, 8584), (3330, 8468), (3480, 8103), (4234, 6660), (4292, 6570), (4380, 6438), (4440, 6351), (5220, 5402), (5256, 5365)]