216478260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{13513}}^1$

素因数の和:13617

約数の個数: 72

約数和(自身を含む): 664077960

約数和(自身を除く): 447599700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 89, 90, 178, 180, 267, 356, 445, 534, 801, 890, 1068, 1335, 1602, 1780, 2670, 3204, 4005, 5340, 8010, 13513, 16020, 27026, 40539, 54052, 67565, 81078, 121617, 135130, 162156, 202695, 243234, 270260, 405390, 486468, 608085, 810780, 1202657, 1216170, 2405314, 2432340, 3607971, 4810628, 6013285, 7215942, 10823913, 12026570, 14431884, 18039855, 21647826, 24053140, 36079710, 43295652, 54119565, 72159420, 108239130, 216478260]

約数ペア:

[(1, 216478260), (2, 108239130), (3, 72159420), (4, 54119565), (5, 43295652), (6, 36079710), (9, 24053140), (10, 21647826), (12, 18039855), (15, 14431884), (18, 12026570), (20, 10823913), (30, 7215942), (36, 6013285), (45, 4810628), (60, 3607971), (89, 2432340), (90, 2405314), (178, 1216170), (180, 1202657), (267, 810780), (356, 608085), (445, 486468), (534, 405390), (801, 270260), (890, 243234), (1068, 202695), (1335, 162156), (1602, 135130), (1780, 121617), (2670, 81078), (3204, 67565), (4005, 54052), (5340, 40539), (8010, 27026), (13513, 16020)]