80502120

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{569}}^1$

素因数の和:720

約数の個数: 128

約数和(自身を含む): 270864000

約数和(自身を除く): 190361880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 131, 135, 180, 216, 262, 270, 360, 393, 524, 540, 569, 655, 786, 1048, 1080, 1138, 1179, 1310, 1572, 1707, 1965, 2276, 2358, 2620, 2845, 3144, 3414, 3537, 3930, 4552, 4716, 5121, 5240, 5690, 5895, 6828, 7074, 7860, 8535, 9432, 10242, 11380, 11790, 13656, 14148, 15363, 15720, 17070, 17685, 20484, 22760, 23580, 25605, 28296, 30726, 34140, 35370, 40968, 47160, 51210, 61452, 68280, 70740, 74539, 76815, 102420, 122904, 141480, 149078, 153630, 204840, 223617, 298156, 307260, 372695, 447234, 596312, 614520, 670851, 745390, 894468, 1118085, 1341702, 1490780, 1788936, 2012553, 2236170, 2683404, 2981560, 3354255, 4025106, 4472340, 5366808, 6708510, 8050212, 8944680, 10062765, 13417020, 16100424, 20125530, 26834040, 40251060, 80502120]

約数ペア:

[(1, 80502120), (2, 40251060), (3, 26834040), (4, 20125530), (5, 16100424), (6, 13417020), (8, 10062765), (9, 8944680), (10, 8050212), (12, 6708510), (15, 5366808), (18, 4472340), (20, 4025106), (24, 3354255), (27, 2981560), (30, 2683404), (36, 2236170), (40, 2012553), (45, 1788936), (54, 1490780), (60, 1341702), (72, 1118085), (90, 894468), (108, 745390), (120, 670851), (131, 614520), (135, 596312), (180, 447234), (216, 372695), (262, 307260), (270, 298156), (360, 223617), (393, 204840), (524, 153630), (540, 149078), (569, 141480), (655, 122904), (786, 102420), (1048, 76815), (1080, 74539), (1138, 70740), (1179, 68280), (1310, 61452), (1572, 51210), (1707, 47160), (1965, 40968), (2276, 35370), (2358, 34140), (2620, 30726), (2845, 28296), (3144, 25605), (3414, 23580), (3537, 22760), (3930, 20484), (4552, 17685), (4716, 17070), (5121, 15720), (5240, 15363), (5690, 14148), (5895, 13656), (6828, 11790), (7074, 11380), (7860, 10242), (8535, 9432)]