7831256220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2289841}}^1$

素因数の和:2289875

約数の個数: 72

約数和(自身を含む): 25005074640

約数和(自身を除く): 17173818420

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, 2289841, 4579682, 6869523, 9159364, 11449205, 13739046, 20608569, 22898410, 27478092, 34347615, 41217138, 43506979, 45796820, 68695230, 82434276, 87013958, 103042845, 130520937, 137390460, 174027916, 206085690, 217534895, 261041874, 391562811, 412171380, 435069790, 522083748, 652604685, 783125622, 870139580, 1305209370, 1566251244, 1957814055, 2610418740, 3915628110, 7831256220]

約数ペア:

[(1, 7831256220), (2, 3915628110), (3, 2610418740), (4, 1957814055), (5, 1566251244), (6, 1305209370), (9, 870139580), (10, 783125622), (12, 652604685), (15, 522083748), (18, 435069790), (19, 412171380), (20, 391562811), (30, 261041874), (36, 217534895), (38, 206085690), (45, 174027916), (57, 137390460), (60, 130520937), (76, 103042845), (90, 87013958), (95, 82434276), (114, 68695230), (171, 45796820), (180, 43506979), (190, 41217138), (228, 34347615), (285, 27478092), (342, 22898410), (380, 20608569), (570, 13739046), (684, 11449205), (855, 9159364), (1140, 6869523), (1710, 4579682), (3420, 2289841)]