81927160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{2897}}^1$

素因数の和:3016

約数の個数: 64

約数和(自身を含む): 212829120

約数和(自身を除く): 130901960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 101, 140, 202, 280, 404, 505, 707, 808, 1010, 1414, 2020, 2828, 2897, 3535, 4040, 5656, 5794, 7070, 11588, 14140, 14485, 20279, 23176, 28280, 28970, 40558, 57940, 81116, 101395, 115880, 162232, 202790, 292597, 405580, 585194, 811160, 1170388, 1462985, 2048179, 2340776, 2925970, 4096358, 5851940, 8192716, 10240895, 11703880, 16385432, 20481790, 40963580, 81927160]

約数ペア:

[(1, 81927160), (2, 40963580), (4, 20481790), (5, 16385432), (7, 11703880), (8, 10240895), (10, 8192716), (14, 5851940), (20, 4096358), (28, 2925970), (35, 2340776), (40, 2048179), (56, 1462985), (70, 1170388), (101, 811160), (140, 585194), (202, 405580), (280, 292597), (404, 202790), (505, 162232), (707, 115880), (808, 101395), (1010, 81116), (1414, 57940), (2020, 40558), (2828, 28970), (2897, 28280), (3535, 23176), (4040, 20279), (5656, 14485), (5794, 14140), (7070, 11588)]