2221830

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1$

素因数の和:243

約数の個数: 80

約数和(自身を含む): 6464304

約数和(自身を除く): 4242474

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 81, 90, 117, 130, 135, 162, 195, 211, 234, 270, 351, 390, 405, 422, 585, 633, 702, 810, 1053, 1055, 1170, 1266, 1755, 1899, 2106, 2110, 2743, 3165, 3510, 3798, 5265, 5486, 5697, 6330, 8229, 9495, 10530, 11394, 13715, 16458, 17091, 18990, 24687, 27430, 28485, 34182, 41145, 49374, 56970, 74061, 82290, 85455, 123435, 148122, 170910, 222183, 246870, 370305, 444366, 740610, 1110915, 2221830]

約数ペア:

[(1, 2221830), (2, 1110915), (3, 740610), (5, 444366), (6, 370305), (9, 246870), (10, 222183), (13, 170910), (15, 148122), (18, 123435), (26, 85455), (27, 82290), (30, 74061), (39, 56970), (45, 49374), (54, 41145), (65, 34182), (78, 28485), (81, 27430), (90, 24687), (117, 18990), (130, 17091), (135, 16458), (162, 13715), (195, 11394), (211, 10530), (234, 9495), (270, 8229), (351, 6330), (390, 5697), (405, 5486), (422, 5265), (585, 3798), (633, 3510), (702, 3165), (810, 2743), (1053, 2110), (1055, 2106), (1170, 1899), (1266, 1755)]