68520480

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{20393}}^1$

素因数の和:20418

約数の個数: 96

約数和(自身を含む): 246685824

約数和(自身を除く): 178165344

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 20393, 40786, 61179, 81572, 101965, 122358, 142751, 163144, 203930, 244716, 285502, 305895, 326288, 407860, 428253, 489432, 571004, 611790, 652576, 713755, 815720, 856506, 978864, 1142008, 1223580, 1427510, 1631440, 1713012, 1957728, 2141265, 2284016, 2447160, 2855020, 3262880, 3426024, 4282530, 4568032, 4894320, 5710040, 6852048, 8565060, 9788640, 11420080, 13704096, 17130120, 22840160, 34260240, 68520480]

約数ペア:

[(1, 68520480), (2, 34260240), (3, 22840160), (4, 17130120), (5, 13704096), (6, 11420080), (7, 9788640), (8, 8565060), (10, 6852048), (12, 5710040), (14, 4894320), (15, 4568032), (16, 4282530), (20, 3426024), (21, 3262880), (24, 2855020), (28, 2447160), (30, 2284016), (32, 2141265), (35, 1957728), (40, 1713012), (42, 1631440), (48, 1427510), (56, 1223580), (60, 1142008), (70, 978864), (80, 856506), (84, 815720), (96, 713755), (105, 652576), (112, 611790), (120, 571004), (140, 489432), (160, 428253), (168, 407860), (210, 326288), (224, 305895), (240, 285502), (280, 244716), (336, 203930), (420, 163144), (480, 142751), (560, 122358), (672, 101965), (840, 81572), (1120, 61179), (1680, 40786), (3360, 20393)]