31352280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{13751}}^1$

素因数の和:13784

約数の個数: 64

約数和(自身を含む): 99014400

約数和(自身を除く): 67662120

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, 13751, 27502, 41253, 55004, 68755, 82506, 110008, 137510, 165012, 206265, 261269, 275020, 330024, 412530, 522538, 550040, 783807, 825060, 1045076, 1306345, 1567614, 1650120, 2090152, 2612690, 3135228, 3919035, 5225380, 6270456, 7838070, 10450760, 15676140, 31352280]

約数ペア:

[(1, 31352280), (2, 15676140), (3, 10450760), (4, 7838070), (5, 6270456), (6, 5225380), (8, 3919035), (10, 3135228), (12, 2612690), (15, 2090152), (19, 1650120), (20, 1567614), (24, 1306345), (30, 1045076), (38, 825060), (40, 783807), (57, 550040), (60, 522538), (76, 412530), (95, 330024), (114, 275020), (120, 261269), (152, 206265), (190, 165012), (228, 137510), (285, 110008), (380, 82506), (456, 68755), (570, 55004), (760, 41253), (1140, 27502), (2280, 13751)]