71627720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1193}}^1$

素因数の和:1302

約数の個数: 64

約数和(自身を含む): 171936000

約数和(自身を除く): 100308280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 79, 95, 152, 158, 190, 316, 380, 395, 632, 760, 790, 1193, 1501, 1580, 2386, 3002, 3160, 4772, 5965, 6004, 7505, 9544, 11930, 12008, 15010, 22667, 23860, 30020, 45334, 47720, 60040, 90668, 94247, 113335, 181336, 188494, 226670, 376988, 453340, 471235, 753976, 906680, 942470, 1790693, 1884940, 3581386, 3769880, 7162772, 8953465, 14325544, 17906930, 35813860, 71627720]

約数ペア:

[(1, 71627720), (2, 35813860), (4, 17906930), (5, 14325544), (8, 8953465), (10, 7162772), (19, 3769880), (20, 3581386), (38, 1884940), (40, 1790693), (76, 942470), (79, 906680), (95, 753976), (152, 471235), (158, 453340), (190, 376988), (316, 226670), (380, 188494), (395, 181336), (632, 113335), (760, 94247), (790, 90668), (1193, 60040), (1501, 47720), (1580, 45334), (2386, 30020), (3002, 23860), (3160, 22667), (4772, 15010), (5965, 12008), (6004, 11930), (7505, 9544)]