131745040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{7589}}^1$

素因数の和:7640

約数の個数: 80

約数和(自身を含む): 361405440

約数和(自身を除く): 229660400

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, 7589, 8680, 15178, 17360, 30356, 37945, 53123, 60712, 75890, 106246, 121424, 151780, 212492, 235259, 265615, 303560, 424984, 470518, 531230, 607120, 849968, 941036, 1062460, 1176295, 1646813, 1882072, 2124920, 2352590, 3293626, 3764144, 4249840, 4705180, 6587252, 8234065, 9410360, 13174504, 16468130, 18820720, 26349008, 32936260, 65872520, 131745040]

約数ペア:

[(1, 131745040), (2, 65872520), (4, 32936260), (5, 26349008), (7, 18820720), (8, 16468130), (10, 13174504), (14, 9410360), (16, 8234065), (20, 6587252), (28, 4705180), (31, 4249840), (35, 3764144), (40, 3293626), (56, 2352590), (62, 2124920), (70, 1882072), (80, 1646813), (112, 1176295), (124, 1062460), (140, 941036), (155, 849968), (217, 607120), (248, 531230), (280, 470518), (310, 424984), (434, 303560), (496, 265615), (560, 235259), (620, 212492), (868, 151780), (1085, 121424), (1240, 106246), (1736, 75890), (2170, 60712), (2480, 53123), (3472, 37945), (4340, 30356), (7589, 17360), (8680, 15178)]