2981070

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:258

約数の個数: 64

約数和(自身を含む): 8124480

約数和(自身を除く): 5143410

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 61, 90, 122, 135, 181, 183, 270, 305, 362, 366, 543, 549, 610, 905, 915, 1086, 1098, 1629, 1647, 1810, 1830, 2715, 2745, 3258, 3294, 4887, 5430, 5490, 8145, 8235, 9774, 11041, 16290, 16470, 22082, 24435, 33123, 48870, 55205, 66246, 99369, 110410, 165615, 198738, 298107, 331230, 496845, 596214, 993690, 1490535, 2981070]

約数ペア:

[(1, 2981070), (2, 1490535), (3, 993690), (5, 596214), (6, 496845), (9, 331230), (10, 298107), (15, 198738), (18, 165615), (27, 110410), (30, 99369), (45, 66246), (54, 55205), (61, 48870), (90, 33123), (122, 24435), (135, 22082), (181, 16470), (183, 16290), (270, 11041), (305, 9774), (362, 8235), (366, 8145), (543, 5490), (549, 5430), (610, 4887), (905, 3294), (915, 3258), (1086, 2745), (1098, 2715), (1629, 1830), (1647, 1810)]