7801020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2281}}^1$

素因数の和:2315

約数の個数: 72

約数和(自身を含む): 24919440

約数和(自身を除く): 17118420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 2281, 3420, 4562, 6843, 9124, 11405, 13686, 20529, 22810, 27372, 34215, 41058, 43339, 45620, 68430, 82116, 86678, 102645, 130017, 136860, 173356, 205290, 216695, 260034, 390051, 410580, 433390, 520068, 650085, 780102, 866780, 1300170, 1560204, 1950255, 2600340, 3900510, 7801020]

約数ペア:

[(1, 7801020), (2, 3900510), (3, 2600340), (4, 1950255), (5, 1560204), (6, 1300170), (9, 866780), (10, 780102), (12, 650085), (15, 520068), (18, 433390), (19, 410580), (20, 390051), (30, 260034), (36, 216695), (38, 205290), (45, 173356), (57, 136860), (60, 130017), (76, 102645), (90, 86678), (95, 82116), (114, 68430), (171, 45620), (180, 43339), (190, 41058), (228, 34215), (285, 27372), (342, 22810), (380, 20529), (570, 13686), (684, 11405), (855, 9124), (1140, 6843), (1710, 4562), (2281, 3420)]