278088960

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{521}}^1$

素因数の和:684

約数の個数: 144

約数和(自身を含む): 896253120

約数和(自身を除く): 618164160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 139, 160, 192, 240, 256, 278, 320, 384, 417, 480, 521, 556, 640, 695, 768, 834, 960, 1042, 1112, 1280, 1390, 1563, 1668, 1920, 2084, 2085, 2224, 2605, 2780, 3126, 3336, 3840, 4168, 4170, 4448, 5210, 5560, 6252, 6672, 7815, 8336, 8340, 8896, 10420, 11120, 12504, 13344, 15630, 16672, 16680, 17792, 20840, 22240, 25008, 26688, 31260, 33344, 33360, 35584, 41680, 44480, 50016, 53376, 62520, 66688, 66720, 72419, 83360, 88960, 100032, 106752, 125040, 133376, 133440, 144838, 166720, 177920, 200064, 217257, 250080, 266880, 289676, 333440, 362095, 400128, 434514, 500160, 533760, 579352, 666880, 724190, 869028, 1000320, 1086285, 1158704, 1448380, 1738056, 2000640, 2172570, 2317408, 2896760, 3476112, 4345140, 4634816, 5793520, 6952224, 8690280, 9269632, 11587040, 13904448, 17380560, 18539264, 23174080, 27808896, 34761120, 46348160, 55617792, 69522240, 92696320, 139044480, 278088960]

約数ペア:

[(1, 278088960), (2, 139044480), (3, 92696320), (4, 69522240), (5, 55617792), (6, 46348160), (8, 34761120), (10, 27808896), (12, 23174080), (15, 18539264), (16, 17380560), (20, 13904448), (24, 11587040), (30, 9269632), (32, 8690280), (40, 6952224), (48, 5793520), (60, 4634816), (64, 4345140), (80, 3476112), (96, 2896760), (120, 2317408), (128, 2172570), (139, 2000640), (160, 1738056), (192, 1448380), (240, 1158704), (256, 1086285), (278, 1000320), (320, 869028), (384, 724190), (417, 666880), (480, 579352), (521, 533760), (556, 500160), (640, 434514), (695, 400128), (768, 362095), (834, 333440), (960, 289676), (1042, 266880), (1112, 250080), (1280, 217257), (1390, 200064), (1563, 177920), (1668, 166720), (1920, 144838), (2084, 133440), (2085, 133376), (2224, 125040), (2605, 106752), (2780, 100032), (3126, 88960), (3336, 83360), (3840, 72419), (4168, 66720), (4170, 66688), (4448, 62520), (5210, 53376), (5560, 50016), (6252, 44480), (6672, 41680), (7815, 35584), (8336, 33360), (8340, 33344), (8896, 31260), (10420, 26688), (11120, 25008), (12504, 22240), (13344, 20840), (15630, 17792), (16672, 16680)]