4021020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:355

約数の個数: 72

約数和(自身を含む): 12383280

約数和(自身を除く): 8362260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 89, 90, 178, 180, 251, 267, 356, 445, 502, 534, 753, 801, 890, 1004, 1068, 1255, 1335, 1506, 1602, 1780, 2259, 2510, 2670, 3012, 3204, 3765, 4005, 4518, 5020, 5340, 7530, 8010, 9036, 11295, 15060, 16020, 22339, 22590, 44678, 45180, 67017, 89356, 111695, 134034, 201051, 223390, 268068, 335085, 402102, 446780, 670170, 804204, 1005255, 1340340, 2010510, 4021020]

約数ペア:

[(1, 4021020), (2, 2010510), (3, 1340340), (4, 1005255), (5, 804204), (6, 670170), (9, 446780), (10, 402102), (12, 335085), (15, 268068), (18, 223390), (20, 201051), (30, 134034), (36, 111695), (45, 89356), (60, 67017), (89, 45180), (90, 44678), (178, 22590), (180, 22339), (251, 16020), (267, 15060), (356, 11295), (445, 9036), (502, 8010), (534, 7530), (753, 5340), (801, 5020), (890, 4518), (1004, 4005), (1068, 3765), (1255, 3204), (1335, 3012), (1506, 2670), (1602, 2510), (1780, 2259)]