181376720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{773}}^1$

素因数の和:1212

約数の個数: 80

約数和(自身を含む): 483719040

約数和(自身を除く): 302342320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 419, 560, 773, 838, 1546, 1676, 2095, 2933, 3092, 3352, 3865, 4190, 5411, 5866, 6184, 6704, 7730, 8380, 10822, 11732, 12368, 14665, 15460, 16760, 21644, 23464, 27055, 29330, 30920, 33520, 43288, 46928, 54110, 58660, 61840, 86576, 108220, 117320, 216440, 234640, 323887, 432880, 647774, 1295548, 1619435, 2267209, 2591096, 3238870, 4534418, 5182192, 6477740, 9068836, 11336045, 12955480, 18137672, 22672090, 25910960, 36275344, 45344180, 90688360, 181376720]

約数ペア:

[(1, 181376720), (2, 90688360), (4, 45344180), (5, 36275344), (7, 25910960), (8, 22672090), (10, 18137672), (14, 12955480), (16, 11336045), (20, 9068836), (28, 6477740), (35, 5182192), (40, 4534418), (56, 3238870), (70, 2591096), (80, 2267209), (112, 1619435), (140, 1295548), (280, 647774), (419, 432880), (560, 323887), (773, 234640), (838, 216440), (1546, 117320), (1676, 108220), (2095, 86576), (2933, 61840), (3092, 58660), (3352, 54110), (3865, 46928), (4190, 43288), (5411, 33520), (5866, 30920), (6184, 29330), (6704, 27055), (7730, 23464), (8380, 21644), (10822, 16760), (11732, 15460), (12368, 14665)]