1640746680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2593}}^1\times {\mathrm{5273}}^1$

素因数の和:7880

約数の個数: 64

約数和(自身を含む): 4925072160

約数和(自身を除く): 3284325480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2593, 5186, 5273, 7779, 10372, 10546, 12965, 15558, 15819, 20744, 21092, 25930, 26365, 31116, 31638, 38895, 42184, 51860, 52730, 62232, 63276, 77790, 79095, 103720, 105460, 126552, 155580, 158190, 210920, 311160, 316380, 632760, 13672889, 27345778, 41018667, 54691556, 68364445, 82037334, 109383112, 136728890, 164074668, 205093335, 273457780, 328149336, 410186670, 546915560, 820373340, 1640746680]

約数ペア:

[(1, 1640746680), (2, 820373340), (3, 546915560), (4, 410186670), (5, 328149336), (6, 273457780), (8, 205093335), (10, 164074668), (12, 136728890), (15, 109383112), (20, 82037334), (24, 68364445), (30, 54691556), (40, 41018667), (60, 27345778), (120, 13672889), (2593, 632760), (5186, 316380), (5273, 311160), (7779, 210920), (10372, 158190), (10546, 155580), (12965, 126552), (15558, 105460), (15819, 103720), (20744, 79095), (21092, 77790), (25930, 63276), (26365, 62232), (31116, 52730), (31638, 51860), (38895, 42184)]