278330720

素因数分解:

$2^5\times 5^1\times {\mathrm{103}}^1\times {\mathrm{16889}}^1$

素因数の和:17007

約数の個数: 48

約数和(自身を含む): 663979680

約数和(自身を除く): 385648960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 103, 160, 206, 412, 515, 824, 1030, 1648, 2060, 3296, 4120, 8240, 16480, 16889, 33778, 67556, 84445, 135112, 168890, 270224, 337780, 540448, 675560, 1351120, 1739567, 2702240, 3479134, 6958268, 8697835, 13916536, 17395670, 27833072, 34791340, 55666144, 69582680, 139165360, 278330720]

約数ペア:

[(1, 278330720), (2, 139165360), (4, 69582680), (5, 55666144), (8, 34791340), (10, 27833072), (16, 17395670), (20, 13916536), (32, 8697835), (40, 6958268), (80, 3479134), (103, 2702240), (160, 1739567), (206, 1351120), (412, 675560), (515, 540448), (824, 337780), (1030, 270224), (1648, 168890), (2060, 135112), (3296, 84445), (4120, 67556), (8240, 33778), (16480, 16889)]