78013620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{22811}}^1$

素因数の和:22845

約数の個数: 72

約数和(自身を含む): 249107040

約数和(自身を除く): 171093420

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, 3420, 22811, 45622, 68433, 91244, 114055, 136866, 205299, 228110, 273732, 342165, 410598, 433409, 456220, 684330, 821196, 866818, 1026495, 1300227, 1368660, 1733636, 2052990, 2167045, 2600454, 3900681, 4105980, 4334090, 5200908, 6501135, 7801362, 8668180, 13002270, 15602724, 19503405, 26004540, 39006810, 78013620]

約数ペア:

[(1, 78013620), (2, 39006810), (3, 26004540), (4, 19503405), (5, 15602724), (6, 13002270), (9, 8668180), (10, 7801362), (12, 6501135), (15, 5200908), (18, 4334090), (19, 4105980), (20, 3900681), (30, 2600454), (36, 2167045), (38, 2052990), (45, 1733636), (57, 1368660), (60, 1300227), (76, 1026495), (90, 866818), (95, 821196), (114, 684330), (171, 456220), (180, 433409), (190, 410598), (228, 342165), (285, 273732), (342, 228110), (380, 205299), (570, 136866), (684, 114055), (855, 91244), (1140, 68433), (1710, 45622), (3420, 22811)]