2139540

素因数分解:

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

素因数の和:249

約数の個数: 72

約数和(自身を含む): 6517728

約数和(自身を除く): 4378188

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 169, 195, 211, 260, 338, 390, 422, 507, 633, 676, 780, 844, 845, 1014, 1055, 1266, 1690, 2028, 2110, 2532, 2535, 2743, 3165, 3380, 4220, 5070, 5486, 6330, 8229, 10140, 10972, 12660, 13715, 16458, 27430, 32916, 35659, 41145, 54860, 71318, 82290, 106977, 142636, 164580, 178295, 213954, 356590, 427908, 534885, 713180, 1069770, 2139540]

約数ペア:

[(1, 2139540), (2, 1069770), (3, 713180), (4, 534885), (5, 427908), (6, 356590), (10, 213954), (12, 178295), (13, 164580), (15, 142636), (20, 106977), (26, 82290), (30, 71318), (39, 54860), (52, 41145), (60, 35659), (65, 32916), (78, 27430), (130, 16458), (156, 13715), (169, 12660), (195, 10972), (211, 10140), (260, 8229), (338, 6330), (390, 5486), (422, 5070), (507, 4220), (633, 3380), (676, 3165), (780, 2743), (844, 2535), (845, 2532), (1014, 2110), (1055, 2028), (1266, 1690)]