254138640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{151273}}^1$

素因数の和:151296

約数の個数: 80

約数和(自身を含む): 900382848

約数和(自身を除く): 646244208

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, 151273, 302546, 453819, 605092, 756365, 907638, 1058911, 1210184, 1512730, 1815276, 2117822, 2269095, 2420368, 3025460, 3176733, 3630552, 4235644, 4538190, 5294555, 6050920, 6353466, 7261104, 8471288, 9076380, 10589110, 12101840, 12706932, 15883665, 16942576, 18152760, 21178220, 25413864, 31767330, 36305520, 42356440, 50827728, 63534660, 84712880, 127069320, 254138640]

約数ペア:

[(1, 254138640), (2, 127069320), (3, 84712880), (4, 63534660), (5, 50827728), (6, 42356440), (7, 36305520), (8, 31767330), (10, 25413864), (12, 21178220), (14, 18152760), (15, 16942576), (16, 15883665), (20, 12706932), (21, 12101840), (24, 10589110), (28, 9076380), (30, 8471288), (35, 7261104), (40, 6353466), (42, 6050920), (48, 5294555), (56, 4538190), (60, 4235644), (70, 3630552), (80, 3176733), (84, 3025460), (105, 2420368), (112, 2269095), (120, 2117822), (140, 1815276), (168, 1512730), (210, 1210184), (240, 1058911), (280, 907638), (336, 756365), (420, 605092), (560, 453819), (840, 302546), (1680, 151273)]