272480

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1$

素因数の和:159

約数の個数: 48

約数和(自身を含む): 698544

約数和(自身を除く): 426064

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 131, 160, 208, 260, 262, 416, 520, 524, 655, 1040, 1048, 1310, 1703, 2080, 2096, 2620, 3406, 4192, 5240, 6812, 8515, 10480, 13624, 17030, 20960, 27248, 34060, 54496, 68120, 136240, 272480]

約数ペア:

[(1, 272480), (2, 136240), (4, 68120), (5, 54496), (8, 34060), (10, 27248), (13, 20960), (16, 17030), (20, 13624), (26, 10480), (32, 8515), (40, 6812), (52, 5240), (65, 4192), (80, 3406), (104, 2620), (130, 2096), (131, 2080), (160, 1703), (208, 1310), (260, 1048), (262, 1040), (416, 655), (520, 524)]