77964040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1489}}^1$

素因数の和:1535

約数の個数: 128

約数和(自身を含む): 231724800

約数和(自身を除く): 153760760

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 17, 20, 22, 28, 34, 35, 40, 44, 55, 56, 68, 70, 77, 85, 88, 110, 119, 136, 140, 154, 170, 187, 220, 238, 280, 308, 340, 374, 385, 440, 476, 595, 616, 680, 748, 770, 935, 952, 1190, 1309, 1489, 1496, 1540, 1870, 2380, 2618, 2978, 3080, 3740, 4760, 5236, 5956, 6545, 7445, 7480, 10423, 10472, 11912, 13090, 14890, 16379, 20846, 25313, 26180, 29780, 32758, 41692, 50626, 52115, 52360, 59560, 65516, 81895, 83384, 101252, 104230, 114653, 126565, 131032, 163790, 177191, 202504, 208460, 229306, 253130, 278443, 327580, 354382, 416920, 458612, 506260, 556886, 573265, 655160, 708764, 885955, 917224, 1012520, 1113772, 1146530, 1392215, 1417528, 1771910, 1949101, 2227544, 2293060, 2784430, 3543820, 3898202, 4586120, 5568860, 7087640, 7796404, 9745505, 11137720, 15592808, 19491010, 38982020, 77964040]

約数ペア:

[(1, 77964040), (2, 38982020), (4, 19491010), (5, 15592808), (7, 11137720), (8, 9745505), (10, 7796404), (11, 7087640), (14, 5568860), (17, 4586120), (20, 3898202), (22, 3543820), (28, 2784430), (34, 2293060), (35, 2227544), (40, 1949101), (44, 1771910), (55, 1417528), (56, 1392215), (68, 1146530), (70, 1113772), (77, 1012520), (85, 917224), (88, 885955), (110, 708764), (119, 655160), (136, 573265), (140, 556886), (154, 506260), (170, 458612), (187, 416920), (220, 354382), (238, 327580), (280, 278443), (308, 253130), (340, 229306), (374, 208460), (385, 202504), (440, 177191), (476, 163790), (595, 131032), (616, 126565), (680, 114653), (748, 104230), (770, 101252), (935, 83384), (952, 81895), (1190, 65516), (1309, 59560), (1489, 52360), (1496, 52115), (1540, 50626), (1870, 41692), (2380, 32758), (2618, 29780), (2978, 26180), (3080, 25313), (3740, 20846), (4760, 16379), (5236, 14890), (5956, 13090), (6545, 11912), (7445, 10472), (7480, 10423)]