80741360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4651}}^1$

素因数の和:4702

約数の個数: 80

約数和(自身を含む): 221509632

約数和(自身を除く): 140768272

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 4651, 8680, 9302, 17360, 18604, 23255, 32557, 37208, 46510, 65114, 74416, 93020, 130228, 144181, 162785, 186040, 260456, 288362, 325570, 372080, 520912, 576724, 651140, 720905, 1009267, 1153448, 1302280, 1441810, 2018534, 2306896, 2604560, 2883620, 4037068, 5046335, 5767240, 8074136, 10092670, 11534480, 16148272, 20185340, 40370680, 80741360]

約数ペア:

[(1, 80741360), (2, 40370680), (4, 20185340), (5, 16148272), (7, 11534480), (8, 10092670), (10, 8074136), (14, 5767240), (16, 5046335), (20, 4037068), (28, 2883620), (31, 2604560), (35, 2306896), (40, 2018534), (56, 1441810), (62, 1302280), (70, 1153448), (80, 1009267), (112, 720905), (124, 651140), (140, 576724), (155, 520912), (217, 372080), (248, 325570), (280, 288362), (310, 260456), (434, 186040), (496, 162785), (560, 144181), (620, 130228), (868, 93020), (1085, 74416), (1240, 65114), (1736, 46510), (2170, 37208), (2480, 32557), (3472, 23255), (4340, 18604), (4651, 17360), (8680, 9302)]