280489248

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3943}}^1$

素因数の和:3991

約数の個数: 144

約数和(自身を含む): 904438080

約数和(自身を除く): 623948832

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 19, 24, 26, 32, 36, 38, 39, 48, 52, 57, 72, 76, 78, 96, 104, 114, 117, 144, 152, 156, 171, 208, 228, 234, 247, 288, 304, 312, 342, 416, 456, 468, 494, 608, 624, 684, 741, 912, 936, 988, 1248, 1368, 1482, 1824, 1872, 1976, 2223, 2736, 2964, 3744, 3943, 3952, 4446, 5472, 5928, 7886, 7904, 8892, 11829, 11856, 15772, 17784, 23658, 23712, 31544, 35487, 35568, 47316, 51259, 63088, 70974, 71136, 74917, 94632, 102518, 126176, 141948, 149834, 153777, 189264, 205036, 224751, 283896, 299668, 307554, 378528, 410072, 449502, 461331, 567792, 599336, 615108, 674253, 820144, 899004, 922662, 973921, 1135584, 1198672, 1230216, 1348506, 1640288, 1798008, 1845324, 1947842, 2397344, 2460432, 2697012, 2921763, 3596016, 3690648, 3895684, 4920864, 5394024, 5843526, 7192032, 7381296, 7791368, 8765289, 10788048, 11687052, 14762592, 15582736, 17530578, 21576096, 23374104, 31165472, 35061156, 46748208, 70122312, 93496416, 140244624, 280489248]

約数ペア:

[(1, 280489248), (2, 140244624), (3, 93496416), (4, 70122312), (6, 46748208), (8, 35061156), (9, 31165472), (12, 23374104), (13, 21576096), (16, 17530578), (18, 15582736), (19, 14762592), (24, 11687052), (26, 10788048), (32, 8765289), (36, 7791368), (38, 7381296), (39, 7192032), (48, 5843526), (52, 5394024), (57, 4920864), (72, 3895684), (76, 3690648), (78, 3596016), (96, 2921763), (104, 2697012), (114, 2460432), (117, 2397344), (144, 1947842), (152, 1845324), (156, 1798008), (171, 1640288), (208, 1348506), (228, 1230216), (234, 1198672), (247, 1135584), (288, 973921), (304, 922662), (312, 899004), (342, 820144), (416, 674253), (456, 615108), (468, 599336), (494, 567792), (608, 461331), (624, 449502), (684, 410072), (741, 378528), (912, 307554), (936, 299668), (988, 283896), (1248, 224751), (1368, 205036), (1482, 189264), (1824, 153777), (1872, 149834), (1976, 141948), (2223, 126176), (2736, 102518), (2964, 94632), (3744, 74917), (3943, 71136), (3952, 70974), (4446, 63088), (5472, 51259), (5928, 47316), (7886, 35568), (7904, 35487), (8892, 31544), (11829, 23712), (11856, 23658), (15772, 17784)]