1319451280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{719}}^1$

素因数の和:881

約数の個数: 160

約数和(自身を含む): 3664051200

約数和(自身を除く): 2344599920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 56, 58, 70, 80, 112, 113, 116, 140, 145, 203, 226, 232, 280, 290, 406, 452, 464, 560, 565, 580, 719, 791, 812, 904, 1015, 1130, 1160, 1438, 1582, 1624, 1808, 2030, 2260, 2320, 2876, 3164, 3248, 3277, 3595, 3955, 4060, 4520, 5033, 5752, 6328, 6554, 7190, 7910, 8120, 9040, 10066, 11504, 12656, 13108, 14380, 15820, 16240, 16385, 20132, 20851, 22939, 25165, 26216, 28760, 31640, 32770, 40264, 41702, 45878, 50330, 52432, 57520, 63280, 65540, 80528, 81247, 83404, 91756, 100660, 104255, 114695, 131080, 145957, 162494, 166808, 183512, 201320, 208510, 229390, 262160, 291914, 324988, 333616, 367024, 402640, 406235, 417020, 458780, 568729, 583828, 649976, 729785, 812470, 834040, 917560, 1137458, 1167656, 1299952, 1459570, 1624940, 1668080, 1835120, 2274916, 2335312, 2356163, 2843645, 2919140, 3249880, 4549832, 4712326, 5687290, 5838280, 6499760, 9099664, 9424652, 11374580, 11676560, 11780815, 16493141, 18849304, 22749160, 23561630, 32986282, 37698608, 45498320, 47123260, 65972564, 82465705, 94246520, 131945128, 164931410, 188493040, 263890256, 329862820, 659725640, 1319451280]

約数ペア:

[(1, 1319451280), (2, 659725640), (4, 329862820), (5, 263890256), (7, 188493040), (8, 164931410), (10, 131945128), (14, 94246520), (16, 82465705), (20, 65972564), (28, 47123260), (29, 45498320), (35, 37698608), (40, 32986282), (56, 23561630), (58, 22749160), (70, 18849304), (80, 16493141), (112, 11780815), (113, 11676560), (116, 11374580), (140, 9424652), (145, 9099664), (203, 6499760), (226, 5838280), (232, 5687290), (280, 4712326), (290, 4549832), (406, 3249880), (452, 2919140), (464, 2843645), (560, 2356163), (565, 2335312), (580, 2274916), (719, 1835120), (791, 1668080), (812, 1624940), (904, 1459570), (1015, 1299952), (1130, 1167656), (1160, 1137458), (1438, 917560), (1582, 834040), (1624, 812470), (1808, 729785), (2030, 649976), (2260, 583828), (2320, 568729), (2876, 458780), (3164, 417020), (3248, 406235), (3277, 402640), (3595, 367024), (3955, 333616), (4060, 324988), (4520, 291914), (5033, 262160), (5752, 229390), (6328, 208510), (6554, 201320), (7190, 183512), (7910, 166808), (8120, 162494), (9040, 145957), (10066, 131080), (11504, 114695), (12656, 104255), (13108, 100660), (14380, 91756), (15820, 83404), (16240, 81247), (16385, 80528), (20132, 65540), (20851, 63280), (22939, 57520), (25165, 52432), (26216, 50330), (28760, 45878), (31640, 41702), (32770, 40264)]