123040020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{14753}}^1$

素因数の和:14904

約数の個数: 48

約数和(自身を含む): 347014080

約数和(自身を除く): 223974060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 139, 278, 417, 556, 695, 834, 1390, 1668, 2085, 2780, 4170, 8340, 14753, 29506, 44259, 59012, 73765, 88518, 147530, 177036, 221295, 295060, 442590, 885180, 2050667, 4101334, 6152001, 8202668, 10253335, 12304002, 20506670, 24608004, 30760005, 41013340, 61520010, 123040020]

約数ペア:

[(1, 123040020), (2, 61520010), (3, 41013340), (4, 30760005), (5, 24608004), (6, 20506670), (10, 12304002), (12, 10253335), (15, 8202668), (20, 6152001), (30, 4101334), (60, 2050667), (139, 885180), (278, 442590), (417, 295060), (556, 221295), (695, 177036), (834, 147530), (1390, 88518), (1668, 73765), (2085, 59012), (2780, 44259), (4170, 29506), (8340, 14753)]