154678720

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{347}}^1$

素因数の和:570

約数の個数: 112

約数和(自身を含む): 424281600

約数和(自身を除く): 269602880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 199, 224, 280, 320, 347, 398, 448, 560, 694, 796, 995, 1120, 1388, 1393, 1592, 1735, 1990, 2240, 2429, 2776, 2786, 3184, 3470, 3980, 4858, 5552, 5572, 6368, 6940, 6965, 7960, 9716, 11104, 11144, 12145, 12736, 13880, 13930, 15920, 19432, 22208, 22288, 24290, 27760, 27860, 31840, 38864, 44576, 48580, 55520, 55720, 63680, 69053, 77728, 89152, 97160, 111040, 111440, 138106, 155456, 194320, 222880, 276212, 345265, 388640, 445760, 483371, 552424, 690530, 777280, 966742, 1104848, 1381060, 1933484, 2209696, 2416855, 2762120, 3866968, 4419392, 4833710, 5524240, 7733936, 9667420, 11048480, 15467872, 19334840, 22096960, 30935744, 38669680, 77339360, 154678720]

約数ペア:

[(1, 154678720), (2, 77339360), (4, 38669680), (5, 30935744), (7, 22096960), (8, 19334840), (10, 15467872), (14, 11048480), (16, 9667420), (20, 7733936), (28, 5524240), (32, 4833710), (35, 4419392), (40, 3866968), (56, 2762120), (64, 2416855), (70, 2209696), (80, 1933484), (112, 1381060), (140, 1104848), (160, 966742), (199, 777280), (224, 690530), (280, 552424), (320, 483371), (347, 445760), (398, 388640), (448, 345265), (560, 276212), (694, 222880), (796, 194320), (995, 155456), (1120, 138106), (1388, 111440), (1393, 111040), (1592, 97160), (1735, 89152), (1990, 77728), (2240, 69053), (2429, 63680), (2776, 55720), (2786, 55520), (3184, 48580), (3470, 44576), (3980, 38864), (4858, 31840), (5552, 27860), (5572, 27760), (6368, 24290), (6940, 22288), (6965, 22208), (7960, 19432), (9716, 15920), (11104, 13930), (11144, 13880), (12145, 12736)]