71857520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{797}}^1$

素因数の和:847

約数の個数: 120

約数和(自身を含む): 203049504

約数和(自身を除く): 131191984

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 49, 56, 70, 80, 92, 98, 112, 115, 140, 161, 184, 196, 230, 245, 280, 322, 368, 392, 460, 490, 560, 644, 784, 797, 805, 920, 980, 1127, 1288, 1594, 1610, 1840, 1960, 2254, 2576, 3188, 3220, 3920, 3985, 4508, 5579, 5635, 6376, 6440, 7970, 9016, 11158, 11270, 12752, 12880, 15940, 18032, 18331, 22316, 22540, 27895, 31880, 36662, 39053, 44632, 45080, 55790, 63760, 73324, 78106, 89264, 90160, 91655, 111580, 128317, 146648, 156212, 183310, 195265, 223160, 256634, 293296, 312424, 366620, 390530, 446320, 513268, 624848, 641585, 733240, 781060, 898219, 1026536, 1283170, 1466480, 1562120, 1796438, 2053072, 2566340, 3124240, 3592876, 4491095, 5132680, 7185752, 8982190, 10265360, 14371504, 17964380, 35928760, 71857520]

約数ペア:

[(1, 71857520), (2, 35928760), (4, 17964380), (5, 14371504), (7, 10265360), (8, 8982190), (10, 7185752), (14, 5132680), (16, 4491095), (20, 3592876), (23, 3124240), (28, 2566340), (35, 2053072), (40, 1796438), (46, 1562120), (49, 1466480), (56, 1283170), (70, 1026536), (80, 898219), (92, 781060), (98, 733240), (112, 641585), (115, 624848), (140, 513268), (161, 446320), (184, 390530), (196, 366620), (230, 312424), (245, 293296), (280, 256634), (322, 223160), (368, 195265), (392, 183310), (460, 156212), (490, 146648), (560, 128317), (644, 111580), (784, 91655), (797, 90160), (805, 89264), (920, 78106), (980, 73324), (1127, 63760), (1288, 55790), (1594, 45080), (1610, 44632), (1840, 39053), (1960, 36662), (2254, 31880), (2576, 27895), (3188, 22540), (3220, 22316), (3920, 18331), (3985, 18032), (4508, 15940), (5579, 12880), (5635, 12752), (6376, 11270), (6440, 11158), (7970, 9016)]