20978400

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{8741}}^1$

素因数の和:8764

約数の個数: 72

約数和(自身を含む): 68292504

約数和(自身を除く): 47314104

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 75, 80, 96, 100, 120, 150, 160, 200, 240, 300, 400, 480, 600, 800, 1200, 2400, 8741, 17482, 26223, 34964, 43705, 52446, 69928, 87410, 104892, 131115, 139856, 174820, 209784, 218525, 262230, 279712, 349640, 419568, 437050, 524460, 655575, 699280, 839136, 874100, 1048920, 1311150, 1398560, 1748200, 2097840, 2622300, 3496400, 4195680, 5244600, 6992800, 10489200, 20978400]

約数ペア:

[(1, 20978400), (2, 10489200), (3, 6992800), (4, 5244600), (5, 4195680), (6, 3496400), (8, 2622300), (10, 2097840), (12, 1748200), (15, 1398560), (16, 1311150), (20, 1048920), (24, 874100), (25, 839136), (30, 699280), (32, 655575), (40, 524460), (48, 437050), (50, 419568), (60, 349640), (75, 279712), (80, 262230), (96, 218525), (100, 209784), (120, 174820), (150, 139856), (160, 131115), (200, 104892), (240, 87410), (300, 69928), (400, 52446), (480, 43705), (600, 34964), (800, 26223), (1200, 17482), (2400, 8741)]