1858015620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{115981}}^1$

素因数の和:116085

約数の個数: 72

約数和(自身を含む): 5699355480

約数和(自身を除く): 3841339860

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, 16020, 115981, 231962, 347943, 463924, 579905, 695886, 1043829, 1159810, 1391772, 1739715, 2087658, 2319620, 3479430, 4175316, 5219145, 6958860, 10322309, 10438290, 20644618, 20876580, 30966927, 41289236, 51611545, 61933854, 92900781, 103223090, 123867708, 154834635, 185801562, 206446180, 309669270, 371603124, 464503905, 619338540, 929007810, 1858015620]

約数ペア:

[(1, 1858015620), (2, 929007810), (3, 619338540), (4, 464503905), (5, 371603124), (6, 309669270), (9, 206446180), (10, 185801562), (12, 154834635), (15, 123867708), (18, 103223090), (20, 92900781), (30, 61933854), (36, 51611545), (45, 41289236), (60, 30966927), (89, 20876580), (90, 20644618), (178, 10438290), (180, 10322309), (267, 6958860), (356, 5219145), (445, 4175316), (534, 3479430), (801, 2319620), (890, 2087658), (1068, 1739715), (1335, 1391772), (1602, 1159810), (1780, 1043829), (2670, 695886), (3204, 579905), (4005, 463924), (5340, 347943), (8010, 231962), (16020, 115981)]