155217270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20947}}^1$

素因数の和:20989

約数の個数: 64

約数和(自身を含む): 422311680

約数和(自身を除く): 267094410

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 26, 30, 38, 39, 57, 65, 78, 95, 114, 130, 190, 195, 247, 285, 390, 494, 570, 741, 1235, 1482, 2470, 3705, 7410, 20947, 41894, 62841, 104735, 125682, 209470, 272311, 314205, 397993, 544622, 628410, 795986, 816933, 1193979, 1361555, 1633866, 1989965, 2387958, 2723110, 3979930, 4084665, 5173909, 5969895, 8169330, 10347818, 11939790, 15521727, 25869545, 31043454, 51739090, 77608635, 155217270]

約数ペア:

[(1, 155217270), (2, 77608635), (3, 51739090), (5, 31043454), (6, 25869545), (10, 15521727), (13, 11939790), (15, 10347818), (19, 8169330), (26, 5969895), (30, 5173909), (38, 4084665), (39, 3979930), (57, 2723110), (65, 2387958), (78, 1989965), (95, 1633866), (114, 1361555), (130, 1193979), (190, 816933), (195, 795986), (247, 628410), (285, 544622), (390, 397993), (494, 314205), (570, 272311), (741, 209470), (1235, 125682), (1482, 104735), (2470, 62841), (3705, 41894), (7410, 20947)]