38707760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{409}}^1$

素因数の和:455

約数の個数: 120

約数和(自身を含む): 111644640

約数和(自身を除く): 72936880

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 169, 182, 208, 260, 280, 338, 364, 409, 455, 520, 560, 676, 728, 818, 845, 910, 1040, 1183, 1352, 1456, 1636, 1690, 1820, 2045, 2366, 2704, 2863, 3272, 3380, 3640, 4090, 4732, 5317, 5726, 5915, 6544, 6760, 7280, 8180, 9464, 10634, 11452, 11830, 13520, 14315, 16360, 18928, 21268, 22904, 23660, 26585, 28630, 32720, 37219, 42536, 45808, 47320, 53170, 57260, 69121, 74438, 85072, 94640, 106340, 114520, 138242, 148876, 186095, 212680, 229040, 276484, 297752, 345605, 372190, 425360, 483847, 552968, 595504, 691210, 744380, 967694, 1105936, 1382420, 1488760, 1935388, 2419235, 2764840, 2977520, 3870776, 4838470, 5529680, 7741552, 9676940, 19353880, 38707760]

約数ペア:

[(1, 38707760), (2, 19353880), (4, 9676940), (5, 7741552), (7, 5529680), (8, 4838470), (10, 3870776), (13, 2977520), (14, 2764840), (16, 2419235), (20, 1935388), (26, 1488760), (28, 1382420), (35, 1105936), (40, 967694), (52, 744380), (56, 691210), (65, 595504), (70, 552968), (80, 483847), (91, 425360), (104, 372190), (112, 345605), (130, 297752), (140, 276484), (169, 229040), (182, 212680), (208, 186095), (260, 148876), (280, 138242), (338, 114520), (364, 106340), (409, 94640), (455, 85072), (520, 74438), (560, 69121), (676, 57260), (728, 53170), (818, 47320), (845, 45808), (910, 42536), (1040, 37219), (1183, 32720), (1352, 28630), (1456, 26585), (1636, 23660), (1690, 22904), (1820, 21268), (2045, 18928), (2366, 16360), (2704, 14315), (2863, 13520), (3272, 11830), (3380, 11452), (3640, 10634), (4090, 9464), (4732, 8180), (5317, 7280), (5726, 6760), (5915, 6544)]