77017640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{467}}^1$

素因数の和:535

約数の個数: 128

約数和(自身を含む): 215654400

約数和(自身を除く): 138636760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 31, 35, 38, 40, 56, 62, 70, 76, 95, 124, 133, 140, 152, 155, 190, 217, 248, 266, 280, 310, 380, 434, 467, 532, 589, 620, 665, 760, 868, 934, 1064, 1085, 1178, 1240, 1330, 1736, 1868, 2170, 2335, 2356, 2660, 2945, 3269, 3736, 4123, 4340, 4670, 4712, 5320, 5890, 6538, 8246, 8680, 8873, 9340, 11780, 13076, 14477, 16345, 16492, 17746, 18680, 20615, 23560, 26152, 28954, 32690, 32984, 35492, 41230, 44365, 57908, 62111, 65380, 70984, 72385, 82460, 88730, 101339, 115816, 124222, 130760, 144770, 164920, 177460, 202678, 248444, 275063, 289540, 310555, 354920, 405356, 496888, 506695, 550126, 579080, 621110, 810712, 1013390, 1100252, 1242220, 1375315, 1925441, 2026780, 2200504, 2484440, 2750630, 3850882, 4053560, 5501260, 7701764, 9627205, 11002520, 15403528, 19254410, 38508820, 77017640]

約数ペア:

[(1, 77017640), (2, 38508820), (4, 19254410), (5, 15403528), (7, 11002520), (8, 9627205), (10, 7701764), (14, 5501260), (19, 4053560), (20, 3850882), (28, 2750630), (31, 2484440), (35, 2200504), (38, 2026780), (40, 1925441), (56, 1375315), (62, 1242220), (70, 1100252), (76, 1013390), (95, 810712), (124, 621110), (133, 579080), (140, 550126), (152, 506695), (155, 496888), (190, 405356), (217, 354920), (248, 310555), (266, 289540), (280, 275063), (310, 248444), (380, 202678), (434, 177460), (467, 164920), (532, 144770), (589, 130760), (620, 124222), (665, 115816), (760, 101339), (868, 88730), (934, 82460), (1064, 72385), (1085, 70984), (1178, 65380), (1240, 62111), (1330, 57908), (1736, 44365), (1868, 41230), (2170, 35492), (2335, 32984), (2356, 32690), (2660, 28954), (2945, 26152), (3269, 23560), (3736, 20615), (4123, 18680), (4340, 17746), (4670, 16492), (4712, 16345), (5320, 14477), (5890, 13076), (6538, 11780), (8246, 9340), (8680, 8873)]