28883790

素因数分解:

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

素因数の和:256

約数の個数: 120

約数和(自身を含む): 84497688

約数和(自身を除く): 55613898

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, 169, 195, 211, 234, 270, 338, 351, 390, 405, 422, 507, 585, 633, 702, 810, 845, 1014, 1053, 1055, 1170, 1266, 1521, 1690, 1755, 1899, 2106, 2110, 2535, 2743, 3042, 3165, 3510, 3798, 4563, 5070, 5265, 5486, 5697, 6330, 7605, 8229, 9126, 9495, 10530, 11394, 13689, 13715, 15210, 16458, 17091, 18990, 22815, 24687, 27378, 27430, 28485, 34182, 35659, 41145, 45630, 49374, 56970, 68445, 71318, 74061, 82290, 85455, 106977, 123435, 136890, 148122, 170910, 178295, 213954, 222183, 246870, 320931, 356590, 370305, 444366, 534885, 641862, 740610, 962793, 1069770, 1110915, 1604655, 1925586, 2221830, 2888379, 3209310, 4813965, 5776758, 9627930, 14441895, 28883790]

約数ペア:

[(1, 28883790), (2, 14441895), (3, 9627930), (5, 5776758), (6, 4813965), (9, 3209310), (10, 2888379), (13, 2221830), (15, 1925586), (18, 1604655), (26, 1110915), (27, 1069770), (30, 962793), (39, 740610), (45, 641862), (54, 534885), (65, 444366), (78, 370305), (81, 356590), (90, 320931), (117, 246870), (130, 222183), (135, 213954), (162, 178295), (169, 170910), (195, 148122), (211, 136890), (234, 123435), (270, 106977), (338, 85455), (351, 82290), (390, 74061), (405, 71318), (422, 68445), (507, 56970), (585, 49374), (633, 45630), (702, 41145), (810, 35659), (845, 34182), (1014, 28485), (1053, 27430), (1055, 27378), (1170, 24687), (1266, 22815), (1521, 18990), (1690, 17091), (1755, 16458), (1899, 15210), (2106, 13715), (2110, 13689), (2535, 11394), (2743, 10530), (3042, 9495), (3165, 9126), (3510, 8229), (3798, 7605), (4563, 6330), (5070, 5697), (5265, 5486)]