25808220

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1$

素因数の和:289

約数の個数: 120

約数和(自身を含む): 82328400

約数和(自身を除く): 56520180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 89, 90, 108, 135, 162, 178, 179, 180, 267, 270, 324, 356, 358, 405, 445, 534, 537, 540, 716, 801, 810, 890, 895, 1068, 1074, 1335, 1602, 1611, 1620, 1780, 1790, 2148, 2403, 2670, 2685, 3204, 3222, 3580, 4005, 4806, 4833, 5340, 5370, 6444, 7209, 8010, 8055, 9612, 9666, 10740, 12015, 14418, 14499, 15931, 16020, 16110, 19332, 24030, 24165, 28836, 28998, 31862, 32220, 36045, 47793, 48060, 48330, 57996, 63724, 72090, 72495, 79655, 95586, 96660, 143379, 144180, 144990, 159310, 191172, 238965, 286758, 289980, 318620, 430137, 477930, 573516, 716895, 860274, 955860, 1290411, 1433790, 1720548, 2150685, 2580822, 2867580, 4301370, 5161644, 6452055, 8602740, 12904110, 25808220]

約数ペア:

[(1, 25808220), (2, 12904110), (3, 8602740), (4, 6452055), (5, 5161644), (6, 4301370), (9, 2867580), (10, 2580822), (12, 2150685), (15, 1720548), (18, 1433790), (20, 1290411), (27, 955860), (30, 860274), (36, 716895), (45, 573516), (54, 477930), (60, 430137), (81, 318620), (89, 289980), (90, 286758), (108, 238965), (135, 191172), (162, 159310), (178, 144990), (179, 144180), (180, 143379), (267, 96660), (270, 95586), (324, 79655), (356, 72495), (358, 72090), (405, 63724), (445, 57996), (534, 48330), (537, 48060), (540, 47793), (716, 36045), (801, 32220), (810, 31862), (890, 28998), (895, 28836), (1068, 24165), (1074, 24030), (1335, 19332), (1602, 16110), (1611, 16020), (1620, 15931), (1780, 14499), (1790, 14418), (2148, 12015), (2403, 10740), (2670, 9666), (2685, 9612), (3204, 8055), (3222, 8010), (3580, 7209), (4005, 6444), (4806, 5370), (4833, 5340)]