487972240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{28109}}^1$

素因数の和:28160

約数の個数: 80

約数和(自身を含む): 1338485760

約数和(自身を除く): 850513520

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, 8680, 17360, 28109, 56218, 112436, 140545, 196763, 224872, 281090, 393526, 449744, 562180, 787052, 871379, 983815, 1124360, 1574104, 1742758, 1967630, 2248720, 3148208, 3485516, 3935260, 4356895, 6099653, 6971032, 7870520, 8713790, 12199306, 13942064, 15741040, 17427580, 24398612, 30498265, 34855160, 48797224, 60996530, 69710320, 97594448, 121993060, 243986120, 487972240]

約数ペア:

[(1, 487972240), (2, 243986120), (4, 121993060), (5, 97594448), (7, 69710320), (8, 60996530), (10, 48797224), (14, 34855160), (16, 30498265), (20, 24398612), (28, 17427580), (31, 15741040), (35, 13942064), (40, 12199306), (56, 8713790), (62, 7870520), (70, 6971032), (80, 6099653), (112, 4356895), (124, 3935260), (140, 3485516), (155, 3148208), (217, 2248720), (248, 1967630), (280, 1742758), (310, 1574104), (434, 1124360), (496, 983815), (560, 871379), (620, 787052), (868, 562180), (1085, 449744), (1240, 393526), (1736, 281090), (2170, 224872), (2480, 196763), (3472, 140545), (4340, 112436), (8680, 56218), (17360, 28109)]