15638140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5879}}^1$

素因数の和:5914

約数の個数: 48

約数和(自身を含む): 39513600

約数和(自身を除く): 23875460

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 5879, 11758, 23516, 29395, 41153, 58790, 82306, 111701, 117580, 164612, 205765, 223402, 411530, 446804, 558505, 781907, 823060, 1117010, 1563814, 2234020, 3127628, 3909535, 7819070, 15638140]

約数ペア:

[(1, 15638140), (2, 7819070), (4, 3909535), (5, 3127628), (7, 2234020), (10, 1563814), (14, 1117010), (19, 823060), (20, 781907), (28, 558505), (35, 446804), (38, 411530), (70, 223402), (76, 205765), (95, 164612), (133, 117580), (140, 111701), (190, 82306), (266, 58790), (380, 41153), (532, 29395), (665, 23516), (1330, 11758), (2660, 5879)]