12940710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{311}}^1$

素因数の和:413

約数の個数: 64

約数和(自身を含む): 33246720

約数和(自身を除く): 20306010

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 73, 95, 114, 146, 190, 219, 285, 311, 365, 438, 570, 622, 730, 933, 1095, 1387, 1555, 1866, 2190, 2774, 3110, 4161, 4665, 5909, 6935, 8322, 9330, 11818, 13870, 17727, 20805, 22703, 29545, 35454, 41610, 45406, 59090, 68109, 88635, 113515, 136218, 177270, 227030, 340545, 431357, 681090, 862714, 1294071, 2156785, 2588142, 4313570, 6470355, 12940710]

約数ペア:

[(1, 12940710), (2, 6470355), (3, 4313570), (5, 2588142), (6, 2156785), (10, 1294071), (15, 862714), (19, 681090), (30, 431357), (38, 340545), (57, 227030), (73, 177270), (95, 136218), (114, 113515), (146, 88635), (190, 68109), (219, 59090), (285, 45406), (311, 41610), (365, 35454), (438, 29545), (570, 22703), (622, 20805), (730, 17727), (933, 13870), (1095, 11818), (1387, 9330), (1555, 8322), (1866, 6935), (2190, 5909), (2774, 4665), (3110, 4161)]