251343360

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{10909}}^1$

素因数の和:10938

約数の個数: 120

約数和(自身を含む): 870552540

約数和(自身を除く): 619209180

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1536, 1920, 2304, 2560, 2880, 3840, 4608, 5760, 7680, 10909, 11520, 21818, 23040, 32727, 43636, 54545, 65454, 87272, 98181, 109090, 130908, 163635, 174544, 196362, 218180, 261816, 327270, 349088, 392724, 436360, 490905, 523632, 654540, 698176, 785448, 872720, 981810, 1047264, 1309080, 1396352, 1570896, 1745440, 1963620, 2094528, 2618160, 2792704, 3141792, 3490880, 3927240, 4189056, 5236320, 5585408, 6283584, 6981760, 7854480, 8378112, 10472640, 12567168, 13963520, 15708960, 16756224, 20945280, 25134336, 27927040, 31417920, 41890560, 50268672, 62835840, 83781120, 125671680, 251343360]

約数ペア:

[(1, 251343360), (2, 125671680), (3, 83781120), (4, 62835840), (5, 50268672), (6, 41890560), (8, 31417920), (9, 27927040), (10, 25134336), (12, 20945280), (15, 16756224), (16, 15708960), (18, 13963520), (20, 12567168), (24, 10472640), (30, 8378112), (32, 7854480), (36, 6981760), (40, 6283584), (45, 5585408), (48, 5236320), (60, 4189056), (64, 3927240), (72, 3490880), (80, 3141792), (90, 2792704), (96, 2618160), (120, 2094528), (128, 1963620), (144, 1745440), (160, 1570896), (180, 1396352), (192, 1309080), (240, 1047264), (256, 981810), (288, 872720), (320, 785448), (360, 698176), (384, 654540), (480, 523632), (512, 490905), (576, 436360), (640, 392724), (720, 349088), (768, 327270), (960, 261816), (1152, 218180), (1280, 196362), (1440, 174544), (1536, 163635), (1920, 130908), (2304, 109090), (2560, 98181), (2880, 87272), (3840, 65454), (4608, 54545), (5760, 43636), (7680, 32727), (10909, 23040), (11520, 21818)]