66657680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2131}}^1$

素因数の和:2184

約数の個数: 80

約数和(自身を含む): 171310464

約数和(自身を除く): 104652784

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 34, 40, 46, 68, 80, 85, 92, 115, 136, 170, 184, 230, 272, 340, 368, 391, 460, 680, 782, 920, 1360, 1564, 1840, 1955, 2131, 3128, 3910, 4262, 6256, 7820, 8524, 10655, 15640, 17048, 21310, 31280, 34096, 36227, 42620, 49013, 72454, 85240, 98026, 144908, 170480, 181135, 196052, 245065, 289816, 362270, 392104, 490130, 579632, 724540, 784208, 833221, 980260, 1449080, 1666442, 1960520, 2898160, 3332884, 3921040, 4166105, 6665768, 8332210, 13331536, 16664420, 33328840, 66657680]

約数ペア:

[(1, 66657680), (2, 33328840), (4, 16664420), (5, 13331536), (8, 8332210), (10, 6665768), (16, 4166105), (17, 3921040), (20, 3332884), (23, 2898160), (34, 1960520), (40, 1666442), (46, 1449080), (68, 980260), (80, 833221), (85, 784208), (92, 724540), (115, 579632), (136, 490130), (170, 392104), (184, 362270), (230, 289816), (272, 245065), (340, 196052), (368, 181135), (391, 170480), (460, 144908), (680, 98026), (782, 85240), (920, 72454), (1360, 49013), (1564, 42620), (1840, 36227), (1955, 34096), (2131, 31280), (3128, 21310), (3910, 17048), (4262, 15640), (6256, 10655), (7820, 8524)]