8213520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{4889}}^1$

素因数の和:4912

約数の個数: 80

約数和(自身を含む): 29105280

約数和(自身を除く): 20891760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 4889, 9778, 14667, 19556, 24445, 29334, 34223, 39112, 48890, 58668, 68446, 73335, 78224, 97780, 102669, 117336, 136892, 146670, 171115, 195560, 205338, 234672, 273784, 293340, 342230, 391120, 410676, 513345, 547568, 586680, 684460, 821352, 1026690, 1173360, 1368920, 1642704, 2053380, 2737840, 4106760, 8213520]

約数ペア:

[(1, 8213520), (2, 4106760), (3, 2737840), (4, 2053380), (5, 1642704), (6, 1368920), (7, 1173360), (8, 1026690), (10, 821352), (12, 684460), (14, 586680), (15, 547568), (16, 513345), (20, 410676), (21, 391120), (24, 342230), (28, 293340), (30, 273784), (35, 234672), (40, 205338), (42, 195560), (48, 171115), (56, 146670), (60, 136892), (70, 117336), (80, 102669), (84, 97780), (105, 78224), (112, 73335), (120, 68446), (140, 58668), (168, 48890), (210, 39112), (240, 34223), (280, 29334), (336, 24445), (420, 19556), (560, 14667), (840, 9778), (1680, 4889)]