1810260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:217

約数の個数: 72

約数和(自身を含む): 5601960

約数和(自身を除く): 3791700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 89, 90, 113, 178, 180, 226, 267, 339, 356, 445, 452, 534, 565, 678, 801, 890, 1017, 1068, 1130, 1335, 1356, 1602, 1695, 1780, 2034, 2260, 2670, 3204, 3390, 4005, 4068, 5085, 5340, 6780, 8010, 10057, 10170, 16020, 20114, 20340, 30171, 40228, 50285, 60342, 90513, 100570, 120684, 150855, 181026, 201140, 301710, 362052, 452565, 603420, 905130, 1810260]

約数ペア:

[(1, 1810260), (2, 905130), (3, 603420), (4, 452565), (5, 362052), (6, 301710), (9, 201140), (10, 181026), (12, 150855), (15, 120684), (18, 100570), (20, 90513), (30, 60342), (36, 50285), (45, 40228), (60, 30171), (89, 20340), (90, 20114), (113, 16020), (178, 10170), (180, 10057), (226, 8010), (267, 6780), (339, 5340), (356, 5085), (445, 4068), (452, 4005), (534, 3390), (565, 3204), (678, 2670), (801, 2260), (890, 2034), (1017, 1780), (1068, 1695), (1130, 1602), (1335, 1356)]