15222420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4451}}^1$

素因数の和:4485

約数の個数: 72

約数和(自身を含む): 48615840

約数和(自身を除く): 33393420

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, 4451, 8902, 13353, 17804, 22255, 26706, 40059, 44510, 53412, 66765, 80118, 84569, 89020, 133530, 160236, 169138, 200295, 253707, 267060, 338276, 400590, 422845, 507414, 761121, 801180, 845690, 1014828, 1268535, 1522242, 1691380, 2537070, 3044484, 3805605, 5074140, 7611210, 15222420]

約数ペア:

[(1, 15222420), (2, 7611210), (3, 5074140), (4, 3805605), (5, 3044484), (6, 2537070), (9, 1691380), (10, 1522242), (12, 1268535), (15, 1014828), (18, 845690), (19, 801180), (20, 761121), (30, 507414), (36, 422845), (38, 400590), (45, 338276), (57, 267060), (60, 253707), (76, 200295), (90, 169138), (95, 160236), (114, 133530), (171, 89020), (180, 84569), (190, 80118), (228, 66765), (285, 53412), (342, 44510), (380, 40059), (570, 26706), (684, 22255), (855, 17804), (1140, 13353), (1710, 8902), (3420, 4451)]