990360

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{131}}^1$

素因数の和:158

約数の個数: 128

約数和(自身を含む): 3801600

約数和(自身を除く): 2811240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 131, 135, 140, 168, 180, 189, 210, 216, 252, 262, 270, 280, 315, 360, 378, 393, 420, 504, 524, 540, 630, 655, 756, 786, 840, 917, 945, 1048, 1080, 1179, 1260, 1310, 1512, 1572, 1834, 1890, 1965, 2358, 2520, 2620, 2751, 3144, 3537, 3668, 3780, 3930, 4585, 4716, 5240, 5502, 5895, 7074, 7336, 7560, 7860, 8253, 9170, 9432, 11004, 11790, 13755, 14148, 15720, 16506, 17685, 18340, 22008, 23580, 24759, 27510, 28296, 33012, 35370, 36680, 41265, 47160, 49518, 55020, 66024, 70740, 82530, 99036, 110040, 123795, 141480, 165060, 198072, 247590, 330120, 495180, 990360]

約数ペア:

[(1, 990360), (2, 495180), (3, 330120), (4, 247590), (5, 198072), (6, 165060), (7, 141480), (8, 123795), (9, 110040), (10, 99036), (12, 82530), (14, 70740), (15, 66024), (18, 55020), (20, 49518), (21, 47160), (24, 41265), (27, 36680), (28, 35370), (30, 33012), (35, 28296), (36, 27510), (40, 24759), (42, 23580), (45, 22008), (54, 18340), (56, 17685), (60, 16506), (63, 15720), (70, 14148), (72, 13755), (84, 11790), (90, 11004), (105, 9432), (108, 9170), (120, 8253), (126, 7860), (131, 7560), (135, 7336), (140, 7074), (168, 5895), (180, 5502), (189, 5240), (210, 4716), (216, 4585), (252, 3930), (262, 3780), (270, 3668), (280, 3537), (315, 3144), (360, 2751), (378, 2620), (393, 2520), (420, 2358), (504, 1965), (524, 1890), (540, 1834), (630, 1572), (655, 1512), (756, 1310), (786, 1260), (840, 1179), (917, 1080), (945, 1048)]