1489980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1307}}^1$

素因数の和:1338

約数の個数: 48

約数和(自身を含む): 4394880

約数和(自身を除く): 2904900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 1307, 2614, 3921, 5228, 6535, 7842, 13070, 15684, 19605, 24833, 26140, 39210, 49666, 74499, 78420, 99332, 124165, 148998, 248330, 297996, 372495, 496660, 744990, 1489980]

約数ペア:

[(1, 1489980), (2, 744990), (3, 496660), (4, 372495), (5, 297996), (6, 248330), (10, 148998), (12, 124165), (15, 99332), (19, 78420), (20, 74499), (30, 49666), (38, 39210), (57, 26140), (60, 24833), (76, 19605), (95, 15684), (114, 13070), (190, 7842), (228, 6535), (285, 5228), (380, 3921), (570, 2614), (1140, 1307)]