78961960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{827}}^1$

素因数の和:887

約数の個数: 128

約数和(自身を含む): 228925440

約数和(自身を除く): 149963480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 31, 35, 40, 44, 55, 56, 62, 70, 77, 88, 110, 124, 140, 154, 155, 217, 220, 248, 280, 308, 310, 341, 385, 434, 440, 616, 620, 682, 770, 827, 868, 1085, 1240, 1364, 1540, 1654, 1705, 1736, 2170, 2387, 2728, 3080, 3308, 3410, 4135, 4340, 4774, 5789, 6616, 6820, 8270, 8680, 9097, 9548, 11578, 11935, 13640, 16540, 18194, 19096, 23156, 23870, 25637, 28945, 33080, 36388, 45485, 46312, 47740, 51274, 57890, 63679, 72776, 90970, 95480, 102548, 115780, 127358, 128185, 179459, 181940, 205096, 231560, 254716, 256370, 282007, 318395, 358918, 363880, 509432, 512740, 564014, 636790, 717836, 897295, 1025480, 1128028, 1273580, 1410035, 1435672, 1794590, 1974049, 2256056, 2547160, 2820070, 3589180, 3948098, 5640140, 7178360, 7896196, 9870245, 11280280, 15792392, 19740490, 39480980, 78961960]

約数ペア:

[(1, 78961960), (2, 39480980), (4, 19740490), (5, 15792392), (7, 11280280), (8, 9870245), (10, 7896196), (11, 7178360), (14, 5640140), (20, 3948098), (22, 3589180), (28, 2820070), (31, 2547160), (35, 2256056), (40, 1974049), (44, 1794590), (55, 1435672), (56, 1410035), (62, 1273580), (70, 1128028), (77, 1025480), (88, 897295), (110, 717836), (124, 636790), (140, 564014), (154, 512740), (155, 509432), (217, 363880), (220, 358918), (248, 318395), (280, 282007), (308, 256370), (310, 254716), (341, 231560), (385, 205096), (434, 181940), (440, 179459), (616, 128185), (620, 127358), (682, 115780), (770, 102548), (827, 95480), (868, 90970), (1085, 72776), (1240, 63679), (1364, 57890), (1540, 51274), (1654, 47740), (1705, 46312), (1736, 45485), (2170, 36388), (2387, 33080), (2728, 28945), (3080, 25637), (3308, 23870), (3410, 23156), (4135, 19096), (4340, 18194), (4774, 16540), (5789, 13640), (6616, 11935), (6820, 11578), (8270, 9548), (8680, 9097)]