28506840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12503}}^1$

素因数の和:12536

約数の個数: 64

約数和(自身を含む): 90028800

約数和(自身を除く): 61521960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 12503, 25006, 37509, 50012, 62515, 75018, 100024, 125030, 150036, 187545, 237557, 250060, 300072, 375090, 475114, 500120, 712671, 750180, 950228, 1187785, 1425342, 1500360, 1900456, 2375570, 2850684, 3563355, 4751140, 5701368, 7126710, 9502280, 14253420, 28506840]

約数ペア:

[(1, 28506840), (2, 14253420), (3, 9502280), (4, 7126710), (5, 5701368), (6, 4751140), (8, 3563355), (10, 2850684), (12, 2375570), (15, 1900456), (19, 1500360), (20, 1425342), (24, 1187785), (30, 950228), (38, 750180), (40, 712671), (57, 500120), (60, 475114), (76, 375090), (95, 300072), (114, 250060), (120, 237557), (152, 187545), (190, 150036), (228, 125030), (285, 100024), (380, 75018), (456, 62515), (570, 50012), (760, 37509), (1140, 25006), (2280, 12503)]