78198680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{14699}}^1$

素因数の和:14736

約数の個数: 64

約数和(自身を含む): 211680000

約数和(自身を除く): 133481320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 5320, 14699, 29398, 58796, 73495, 102893, 117592, 146990, 205786, 279281, 293980, 411572, 514465, 558562, 587960, 823144, 1028930, 1117124, 1396405, 1954967, 2057860, 2234248, 2792810, 3909934, 4115720, 5585620, 7819868, 9774835, 11171240, 15639736, 19549670, 39099340, 78198680]

約数ペア:

[(1, 78198680), (2, 39099340), (4, 19549670), (5, 15639736), (7, 11171240), (8, 9774835), (10, 7819868), (14, 5585620), (19, 4115720), (20, 3909934), (28, 2792810), (35, 2234248), (38, 2057860), (40, 1954967), (56, 1396405), (70, 1117124), (76, 1028930), (95, 823144), (133, 587960), (140, 558562), (152, 514465), (190, 411572), (266, 293980), (280, 279281), (380, 205786), (532, 146990), (665, 117592), (760, 102893), (1064, 73495), (1330, 58796), (2660, 29398), (5320, 14699)]