20161170

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{839}}^1$

素因数の和:944

約数の個数: 64

約数和(自身を含む): 54432000

約数和(自身を除く): 34270830

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 89, 90, 135, 178, 267, 270, 445, 534, 801, 839, 890, 1335, 1602, 1678, 2403, 2517, 2670, 4005, 4195, 4806, 5034, 7551, 8010, 8390, 12015, 12585, 15102, 22653, 24030, 25170, 37755, 45306, 74671, 75510, 113265, 149342, 224013, 226530, 373355, 448026, 672039, 746710, 1120065, 1344078, 2016117, 2240130, 3360195, 4032234, 6720390, 10080585, 20161170]

約数ペア:

[(1, 20161170), (2, 10080585), (3, 6720390), (5, 4032234), (6, 3360195), (9, 2240130), (10, 2016117), (15, 1344078), (18, 1120065), (27, 746710), (30, 672039), (45, 448026), (54, 373355), (89, 226530), (90, 224013), (135, 149342), (178, 113265), (267, 75510), (270, 74671), (445, 45306), (534, 37755), (801, 25170), (839, 24030), (890, 22653), (1335, 15102), (1602, 12585), (1678, 12015), (2403, 8390), (2517, 8010), (2670, 7551), (4005, 5034), (4195, 4806)]