281284080

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1$

素因数の和:556

約数の個数: 320

約数和(自身を含む): 1124499456

約数和(自身を除く): 843215376

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 31, 33, 35, 40, 42, 44, 48, 55, 56, 60, 62, 66, 70, 77, 80, 84, 88, 93, 105, 110, 112, 120, 124, 132, 140, 154, 155, 165, 168, 176, 186, 210, 217, 220, 231, 240, 248, 264, 280, 308, 310, 330, 336, 341, 372, 385, 420, 434, 440, 462, 465, 491, 496, 528, 560, 616, 620, 651, 660, 682, 744, 770, 840, 868, 880, 924, 930, 982, 1023, 1085, 1155, 1232, 1240, 1302, 1320, 1364, 1473, 1488, 1540, 1680, 1705, 1736, 1848, 1860, 1964, 2046, 2170, 2310, 2387, 2455, 2480, 2604, 2640, 2728, 2946, 3080, 3255, 3410, 3437, 3472, 3696, 3720, 3928, 4092, 4340, 4620, 4774, 4910, 5115, 5208, 5401, 5456, 5892, 6160, 6510, 6820, 6874, 7161, 7365, 7440, 7856, 8184, 8680, 9240, 9548, 9820, 10230, 10311, 10416, 10802, 11784, 11935, 13020, 13640, 13748, 14322, 14730, 15221, 16203, 16368, 17185, 17360, 18480, 19096, 19640, 20460, 20622, 21604, 23568, 23870, 26040, 27005, 27280, 27496, 28644, 29460, 30442, 32406, 34370, 35805, 37807, 38192, 39280, 40920, 41244, 43208, 45663, 47740, 51555, 52080, 54010, 54992, 57288, 58920, 60884, 64812, 68740, 71610, 75614, 76105, 81015, 81840, 82488, 86416, 91326, 95480, 103110, 106547, 108020, 113421, 114576, 117840, 121768, 129624, 137480, 143220, 151228, 152210, 162030, 164976, 167431, 182652, 189035, 190960, 206220, 213094, 216040, 226842, 228315, 243536, 259248, 274960, 286440, 302456, 304420, 319641, 324060, 334862, 365304, 378070, 412440, 426188, 432080, 453684, 456630, 502293, 532735, 567105, 572880, 604912, 608840, 639282, 648120, 669724, 730608, 756140, 824880, 837155, 852376, 907368, 913260, 1004586, 1065470, 1134210, 1172017, 1217680, 1278564, 1296240, 1339448, 1512280, 1598205, 1674310, 1704752, 1814736, 1826520, 2009172, 2130940, 2268420, 2344034, 2511465, 2557128, 2678896, 3024560, 3196410, 3348620, 3516051, 3653040, 4018344, 4261880, 4536840, 4688068, 5022930, 5114256, 5860085, 6392820, 6697240, 7032102, 8036688, 8523760, 9073680, 9376136, 10045860, 11720170, 12785640, 13394480, 14064204, 17580255, 18752272, 20091720, 23440340, 25571280, 28128408, 35160510, 40183440, 46880680, 56256816, 70321020, 93761360, 140642040, 281284080]

約数ペア:

[(1, 281284080), (2, 140642040), (3, 93761360), (4, 70321020), (5, 56256816), (6, 46880680), (7, 40183440), (8, 35160510), (10, 28128408), (11, 25571280), (12, 23440340), (14, 20091720), (15, 18752272), (16, 17580255), (20, 14064204), (21, 13394480), (22, 12785640), (24, 11720170), (28, 10045860), (30, 9376136), (31, 9073680), (33, 8523760), (35, 8036688), (40, 7032102), (42, 6697240), (44, 6392820), (48, 5860085), (55, 5114256), (56, 5022930), (60, 4688068), (62, 4536840), (66, 4261880), (70, 4018344), (77, 3653040), (80, 3516051), (84, 3348620), (88, 3196410), (93, 3024560), (105, 2678896), (110, 2557128), (112, 2511465), (120, 2344034), (124, 2268420), (132, 2130940), (140, 2009172), (154, 1826520), (155, 1814736), (165, 1704752), (168, 1674310), (176, 1598205), (186, 1512280), (210, 1339448), (217, 1296240), (220, 1278564), (231, 1217680), (240, 1172017), (248, 1134210), (264, 1065470), (280, 1004586), (308, 913260), (310, 907368), (330, 852376), (336, 837155), (341, 824880), (372, 756140), (385, 730608), (420, 669724), (434, 648120), (440, 639282), (462, 608840), (465, 604912), (491, 572880), (496, 567105), (528, 532735), (560, 502293), (616, 456630), (620, 453684), (651, 432080), (660, 426188), (682, 412440), (744, 378070), (770, 365304), (840, 334862), (868, 324060), (880, 319641), (924, 304420), (930, 302456), (982, 286440), (1023, 274960), (1085, 259248), (1155, 243536), (1232, 228315), (1240, 226842), (1302, 216040), (1320, 213094), (1364, 206220), (1473, 190960), (1488, 189035), (1540, 182652), (1680, 167431), (1705, 164976), (1736, 162030), (1848, 152210), (1860, 151228), (1964, 143220), (2046, 137480), (2170, 129624), (2310, 121768), (2387, 117840), (2455, 114576), (2480, 113421), (2604, 108020), (2640, 106547), (2728, 103110), (2946, 95480), (3080, 91326), (3255, 86416), (3410, 82488), (3437, 81840), (3472, 81015), (3696, 76105), (3720, 75614), (3928, 71610), (4092, 68740), (4340, 64812), (4620, 60884), (4774, 58920), (4910, 57288), (5115, 54992), (5208, 54010), (5401, 52080), (5456, 51555), (5892, 47740), (6160, 45663), (6510, 43208), (6820, 41244), (6874, 40920), (7161, 39280), (7365, 38192), (7440, 37807), (7856, 35805), (8184, 34370), (8680, 32406), (9240, 30442), (9548, 29460), (9820, 28644), (10230, 27496), (10311, 27280), (10416, 27005), (10802, 26040), (11784, 23870), (11935, 23568), (13020, 21604), (13640, 20622), (13748, 20460), (14322, 19640), (14730, 19096), (15221, 18480), (16203, 17360), (16368, 17185)]