15330740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{313}}^1$

素因数の和:432

約数の個数: 48

約数和(自身を含む): 33761280

約数和(自身を除く): 18430540

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 79, 124, 155, 158, 310, 313, 316, 395, 620, 626, 790, 1252, 1565, 1580, 2449, 3130, 4898, 6260, 9703, 9796, 12245, 19406, 24490, 24727, 38812, 48515, 48980, 49454, 97030, 98908, 123635, 194060, 247270, 494540, 766537, 1533074, 3066148, 3832685, 7665370, 15330740]

約数ペア:

[(1, 15330740), (2, 7665370), (4, 3832685), (5, 3066148), (10, 1533074), (20, 766537), (31, 494540), (62, 247270), (79, 194060), (124, 123635), (155, 98908), (158, 97030), (310, 49454), (313, 48980), (316, 48515), (395, 38812), (620, 24727), (626, 24490), (790, 19406), (1252, 12245), (1565, 9796), (1580, 9703), (2449, 6260), (3130, 4898)]